Zhang Dong Sheng recounts what happened before his in-laws fell off. Zhu Chao Yang wants to report the crime, but Yan Liang stops him. Both he and Pu Pu cannot be sent back to the orphanage as Pu Pu needs to go to her brother Yue Xin. He's very sick, but his adoptive parents cannot afford to pay for the operation. Chao Yang worries the murderer will do harm again if he's not caught. After much deliberation, the kids decide to give him a warning letter. But they must first find him. After searching around town, Chao Yang chanced upon the murderer in the bookstore. Pu Pu recognizes him and goes after him but fails to get his contact number. Yan Liang purposely bumps into him and takes away his mobile. They even found out about his workplace. Later that day, they come across a scrap boat and decide to use it as a temporary shelter for Pu Pu and Yan Liang. The next day, Yan Liang calls up Lao Chen for his father's whereabouts; through the call, Lao Chen finds Yan Liang and catches him. During their scuffle, a loud thud stuns them. (Source: Chinese = Baidu || Translation = AnastasiaWun at MyDramaList)