The details are as follows: Under the questioning of Zhong Kemin, Tian Fang admitted that Liu Xiaodong's life was coming to an end, and Zhong Kemin was determined to help Liu Xiaodong recover. When the poisonous demon invaded, Liu Xiaodong ran to the mountain like crazy. Zhong Kemin caught up with him and was knocked down and injured by Liu Xiaodong, which still inspired him to fight against the poisonous demon. Zhong Kemin decided to take Liu Xiaodong to climb the Great Wall every day. By climbing the Great Wall, Liu Xiaodong strengthened his determination to defeat the drug demon.