Episode 1

Zheng Xiaoxiao and Pu Jingen, who grew up together in an orphanage, are sisters and have lived together since they left the orphanage. One day, Xiaoxiao met Taeyong when she was participating in a university field club activity. During the activity, Xiaoxiao suddenly learned that Jing-en and his wife had a car accident. She cried and begged Taeyong to take her to the hospital. Jing-en and his wife died unfortunately. At that time, only 19-year-old Xiaoxiao decided to give up her college studies and raise Jing En's daughter as her own daughter, so Xiaoxiao became an unwed mother. Three years later, Xiaoxiao took Yu Zhen to live his own life. Taiyong rescued Jiang Daoshi, the chairman of the beverage company who was robbed by bad guys, and he promised to give Taiyong a job.

Episode 2

Because his uncle was ill, Taeyong came to Seoul to look for a job and went to Jiang's company. After he saw the flyer for renting a room, he came to want to rent it out. The place turned out to be Xiaoxiao's home. After some twists and turns, Taiyong became Xiaoxiao's tenant. Tae Yong was assigned to the difficulty management class by Se Heon. It turns out that the distress management class is a malicious arrangement used by Shi Xian to play tricks on good employees. Xiaoxiao raised a sum of money and planned to rent a small store for business, but she didn't expect to be cheated. Taeyong's uncle went to Seoul to visit him.

Episode 3

The uncle found out that Tai Yong worked for Jiang Daoshi’s company, and immediately approached Jiang to discuss the matter. It turns out that Jiang Daozhi is Tai Yong's father. Under the instructions of the chairman, the difficulty management team became a special sales team, and Xiaoxiao also became one of the temporary employees. Xiaoxiao met Shixian in the office and recognized him as the person who gave her a sum of money three years ago. Shixian hoped that Xiaoxiao would keep it a secret and not let others know about the accident three years ago. After Tae Yong learned that the distress management class had been abolished, he decided to go to Se Heon to find out what happened. Se Heon changed his mind and brought Tae Yong into the planning room.

Episode 4

Xiaoxiao saw Zhixiu and her father by chance. Zhixiu was very frightened because she did not want others to know her family background and her kindness towards Xiaoxiao. Instead she felt uneasy. Xiaoxiao was punished by his supervisor to deal with a large box of drinks. With Taiyong's help, he sold out all the drinks in one night. Xiaoxiao also helped him complete the work assigned by his supervisor. Unexpectedly, it was discovered the next day that the work was not completed by himself. People were punished again. The chairman entrusted Ji-soo to teach Tae-yong some basic etiquette. Ji-soo told Se-heon about this, and Se-heon was furious...

Episode 5

Xiaoxiao’s sales team and Shixian’s planning department launched an event to promote stock products. Before the event, Xiaoxiao received a call from her kindergarten teacher. , Xiaoxiao had to bring Yuzhen to the event, and Xiaoxiao’s identity as an unmarried mother was finally exposed. In order to train Tae Yong, the chairman asked Ji Soo to take Tae Yong to attend a meal with customers. Shi Xian began to have doubts about Tai Yong's life experience. Yuzhen refused to go to kindergarten because she was teased by her classmates for not having a father. Xiaoxiao wants to leave Yuzhen to someone else so that he can go to work. Taiyong asks his uncle and Shundong to help take care of Yuzhen so that Xiaoxiao can go to work without any worries. Xiaoxiao was moved by it.

Episode 6

In order to find out Taeyong's life experience, Shixian maliciously made an appointment with him at the restaurant where Jiang Dong met Xia Dehao. Jiang Dong was surprised to see Shixian. Jiang Dong wanted to To give Taiyong a more comfortable life, he suggested that Xia Dehao take Taiyong to live in an apartment near the company, but Xia Dehao flatly refused. In order to take care of the stall for Xiaoxiao, Taiyong got into an argument with a gangster, and the stall was destroyed. In order to take care of the stall for Xiaoxiao, Taiyong had a dispute with a gangster, and the stall was destroyed. Xiaoxiao blamed Taiyong.

Episode 7

After Shi Xian learned that Tae Yong was the son of Director Jiang, he was even more eager to drive Tae Yong out of the company. Secretly joining forces with Minister Wu, they planned to drive Tae Yong out of the company within a month. Se Heon saw Ji Soo talking to the old man scavenging outside the company, and Se Heon began to doubt Ji Soo's life experience. Shixian told Xiaoxiao that Zhixiu had some activity information that could be used as a reference. Xiaoxiao had no choice but to speak to Zhixiu, but was rejected by Zhixiu with a arrogant attitude. In order to attack Xiaoxiao, Zhixiu gave the information to Taiyong. Unexpectedly, Taeyong gave the information to her in order to help Xiaoxiao.

Episode 8

Se Xian followed Ji Soo and discovered her secret. He was furious and blamed her for lying. Ji Soo thought it was Xiaoxiao who told the secret and dumped her. A slap in the face. Taiyong and Xiaoxiao were going to participate in an event held at the beach. Xiaoxiao was late for some reason and missed the company's special car. They finally got on the train and arrived at the event venue in time. They originally thought that the event could go smoothly, but unexpectedly due to Wu The minister and Zhixiu interfered, causing Taiyong and Xiaoxiao to encounter problems again and again.

Episode 9

Taeyong did not want to see Xiaoxiao leave the company, so he risked being punished and gave up all the drinks and the performance team to Xiaoxiao. Xiaoxiao didn’t know that everything was Tai Yong’s help. After the beach activity, Xiaoxiao was spared the fate of being fired because the activity was very successful, but Taeyong was fired because of this incident. Xiaoxiao used her first salary to buy three pieces of clothing for Taiyong, and asked Taiyong to pretend that he bought them for his uncle and Shundong. Xiaoxiao learned from Yu Zhen that Shun Dong also went to the beach. After repeated inquiries, he found out that the person who helped him was Tai Yong.

Episode 10

Shi Xian received a speeding photo of the accident scene three years ago and felt very uneasy. The chairman asked Shi Xian to find the child born in a car accident three years ago, which made Shi Xian feel uneasy. Xiaoxiao learned that Taiyong helped her on the day of the event, and also knew that Taiyong lost his job because of it. The chairman wanted Taeyong to transfer his household registration and let him recognize his ancestors, but Taeyong's uncle didn't know how to talk to Taeyong. Ji-soo accidentally discovers that Tae-yong is the son of the chairman, and her attitude toward him changes drastically. She asks Tae-yong to stay and help on the pretext of moving to a new home. Unexpectedly, Se-heon suddenly appears at Ji-soo's home.

Episode 11

Taeyong returned to the hotel to work because he could not find a suitable job. Shi Xian received the information about the car accident three years ago and thought it was the fault of the original distress team leader Zhou, so he decided to start dealing with the special sales team. He sent someone to frame Xiao Xiao, which made Xiao Xiao feel deeply aggrieved. Because the drink was smashed, Xiaoxiao had no choice but to ask Taiyong to steal the ingredients for making the drink. Xiaoxiao would hiccup when he was nervous. In desperation, Taiyong kissed Xiaoxiao and escaped the patrol of the guards.

Episode 12

Agent Qian reconstituted the ingredients and Xiaoxiao named the drink "First Kiss". The special sales team's project was well received and everyone unanimously decided to use the special sales team's idea. Shi Xian was very angry and blamed his subordinates for not preventing the special sales team from succeeding. Taiyong discovered that Xiaoxiao named the drink "First Kiss", and suddenly discovered that Xiaoxiao also had a special feeling for him. The company was about to hold an exam for temporary employees to become full-time employees. Ji-soo took it upon herself to ask Tae-yong to take the exam and return to the company, but she lied to Se-heon and said it was the chairman's idea.

Episode 13

Shixian discovered Yuzhen’s identity and kept convincing Xiaoxiao to leave the company, otherwise Yuzhen would most likely discover his life experience, which made Xiaoxiao hesitate. Undecided. Xiaoxiao unknowingly walked to the door of the hotel where Taeyong worked, but saw him and Jixiu walking out together. Xiaoxiao turned around and ran away, and Taeyong chased after him... Shixian met Jixiu at the door of the hotel where Taeyong worked. Be suspicious of what Ji Soo said. In order to drive Xiaoxiao out of the company, Zhixiu deliberately handed over the new product information of the sales team to the competing company "Taiqing Beverage".

Episode 14

Taiyong begins to pursue Xiaoxiao, and Xiaoxiao also develops a liking for Taiyong. Ji Soo actively showed her kindness to Tae Yong, she smiled and felt very uncomfortable in her heart. In order to drive Xiaoxiao out of the company, Jixiu deliberately handed over the new product information of the sales team to the competing company "Taiqing Beverage". Xiaoxiao couldn't argue, and was fired by Shixian. Because of Taiyong's efforts, Xiaoxiao's dismissal order was finally withdrawn, and Taiyong successfully became a regular employee.

Episode 15

In order to get rid of Xiaoxiao, Zhixiu decided to leave the secretary office and join the planning room, and Tae Yong also re-entered the planning room. Knowing that the plan to drive Xiaoxiao out of the company was lost again, Shixian told Zhixiu all the secrets of Xiaoxiao. Zhixiu learned that the girl raised by Xiaoxiao was the child that the chairman was looking for, so he threatened Xiaoxiao. Xiaoxiao had no choice but to decide to leave the company and Taiyong. The day before leaving, Xiaoxiao took the initiative to ask Taiyong out to play, and the two hugged each other under a big tree to end the beautiful day. The next day Taiyong went to find Xiaoxiao, but found that her luggage was packed, and Xiaoxiao and Yuzhen were missing...

Episode 16

Xiaoxiao took Yuzhen temporarily Living in Evergreen Garden, Taiyong learned Xiaoxiao's whereabouts from Shundong and rushed there immediately, but Xiaoxiao told Taiyong that she only loved Yuzhen, and she wanted to return to the life before she met Taiyong. Had to leave silently. Director Jiang finally learned from the dean that Yu Zhen was the little girl he had tried every means to find. At the same time, he also knew that Shi Xian had already known about it. Shi Xian designed to frame Tae Yong, causing Tae Yong to be arrested by the Commercial Crime Bureau.

Episode 17

Taeyong and Xiaoxiao made an appointment to go to the end of the world. Before departure, they were questioned by the police and had no way to rush to the meeting place with Xiaoxiao. Taiyong was very anxious. .

He hoped that Hong Ji-soo would testify for him, but Ji-soo followed Se-heon's instructions at the police station and denied that the plan was given to Tae-yong. Tae-yong was taken into custody by the police. Xiaoxiao could not wait for Tae-yong and had to return to the kindergarten. Director Jiang began to feel that something was wrong, and planned a dinner party, and found that Se Xian and Ji Soo were playing dirty tricks...

Episode 18

Director Jiang sent the driver Mr. Lan to Chang Luyuan took Xiaoxiao back, but she didn't expect to be picked up by Shixian earlier. Shi Xian told Xiao Xiao that Jiang Dong knew the truth and told her that Tai Yong was Jiang Dong's illegitimate son. He suggested that Xiao Xiao go abroad to escape, and Xiao Xiao agreed. Xiaoxiao took Yuzhen to the airport. Before boarding the plane, she saw the director of Evergreen Garden who came to see her off, and found out that everything Shixian said was a lie... Xiaoxiao turned back and called Taeyong to make an appointment to meet under the big tree. Taiyong was overjoyed. After several twists and turns, the two finally met again. Xiaoxiao told Taiyong that Shixian had lied to her a lot, and even tried his best to drive Xiaoxiao out of the company.

Episode 19

Taeyong and Xiaoxiao decided to work together to find out the truth. Tae Yong asked Team Leader Zhou to join the special sales team to defeat Project 1 together. Shi Xian pretended to repent and asked Ji Soo to call Tae Yong to tell him about his life experience. In fact, he wanted to kill Tae Yong. Unexpectedly, Ji Soo was hit by Se Xian's car instead of Tae Yong and was sent to the hospital. Tai Yong told Director Jiang that when the car accident happened three years ago, there was indeed another car next to the vehicle causing the accident. Director Jiang finally got an idea of ??the truth of the accident.

Episode 20

Taeyong came up with a new product and named it "Guardian Angel". Ji Soo finally repented, told Jiang Dong all the truth, and hoped that Jiang Dong could give Se Heon another chance. Xiaoxiao devoted herself to the beverage work of the special sales group. Tai Yong was about to go to see Director Jiang, but saw his uncle and Director Jiang appear at the same time...