Big night, Yang Guang was about to fall asleep when a note came knocking at the door, saying that there were too many mosquitoes and asked Yang Guang for toilet water. Yang guang handed it to him impatiently, closed the door, and Yang guang began to sleep. When he was about to fall asleep, the note knocked on the door again, saying that he was salty at night and asked Yang Guang for some water.

After Yang Guang gave it to him, he began to sleep again. When he fell asleep quickly, there was a lot of noise in the toilet. Yang Guang couldn't stand it any longer and decided to punish the police. So he picked up a basin of water and splashed it like a toilet. After a while, he found something was wrong. When he went into the toilet, he saw that it was not a policeman, but his father.

Plot:

Yang Guang's Happy Life 5 consists of five units, namely, Unit 1, I want to get rich (4 episodes), Unit 2, Don't play with strangers (9 episodes), Unit 3, Rent a house (5 episodes), Unit 4, Pins for Villa (8 episodes) and Unit 5, Mingming (8 episodes).

The play continues the previous comedy style, with stronger story, great sadness and great joy.