Cheng Ke has lost everything. Hailing from a privileged background, he is now forced to rummage through trash to locate his missing belongings. After one of his frustrated outbursts leads to him being punched in the face, Cheng Ke unfortunately becomes acquainted with the terrifying gang leader Jiang Yuduo. Circumstances bring Cheng Ke to a new apartment as a tenant, which just so happens to be rented out by Jiang Yuduo. Cheng Ke's inability to complete even the most menial tasks forces him to rely excessively on his landlord, and as a result, the two form an indescribable bond. However, darker forces are at play in the lives of both Cheng Ke and Jiang Yuduo. The two men are haunted by the pasts they left behind, while danger lurks around every corner. With mysterious figures following their every move, gang wars raging in the streets they walk on, and enemies itching to bring them down, Cheng Ke and Jiang Yuduo must always have each other's back.