Gao Zhilei's impulsive decision to become a stay-at-home husband leads to unforeseen challenges. As life takes a reverse turn, he's forced to face responsibilities as the family's breadwinner, ultimately finding himself and starting anew.

A year ago, a revenge murder case occurred in the small northern town of Chencang, and the perpetrator Qin Hong fled; One year later, when the police "discovered" Qin Hong in the south, her body had already been thrown into the sea by her boyfriend Ma Weicheng, and there were no bones left. This is a case where both personal and physical evidence are present, and the perpetrator has even confessed to the crime. However, the disappearance of the body has made the chief detective Liu Wang uneasy. Without a doubt, "Is Qin Hong really dead?"

For family reasons, Zhong Bufan, a young man from a small town, flees his home to try to reach Beijing. On the way, he crosses paths with Ren Jiqing, an old man suffering from Alzheimer's disease who mistakes him for his son.

Coinciding with a grand local holiday celebration, wealthy businessman Zheng Bingrui invites his daughter Tingting's teacher Li Huiping and a group of classmates' parents to a party at his home, but Tingting is suddenly kidnapped. Police officer Zhang Jingxian led the team to investigate the case, the kidnappers to Ting Ting life threat, requiring Zheng Li with a huge ransom to the appointment, along the way the two found the kidnapping case behind the hidden secrets ......