In Beijing, Li Hui Yan (Duan Yi Hong), a resourceful but financially struggling police detective, lives with his young son and constantly borrows money from colleagues. Zhou You (Dong Cheng Peng), a funeral parlor worker haunted by his past, assists police in moving bodies and discovers a murder disguised as a death. When Li Hui Yan's daughter's school friend is kidnapped by masked assailants, his investigation leads him to a remote northern town. Simultaneously, Zhou You begins his own search for answers after his father is mysteriously murdered, with the killer fleeing to the same location. As their paths converge, the two men must unravel the complex web of crime connecting their personal tragedies. "Double Tap" is a 2021 Chinese drama series that was directed by Chen Zhou Fei.

The Wangs, a seemingly perfect family led by Mr. Wang (Aaron Kwok), face a life-altering moment when tragedy nearly claims his son. Yu Kun Qiao (Duan Yi Hong), the school bus driver responsible for an accident that killed multiple children, is invited to live in the Wangs' basement by Mr. Wang. Suffering from amnesia, Kun Qiao struggles to recall the fatal incident while enduring constant pressure from the family to confess. As tension builds over three years, a series of mysterious events begins to unravel, pushing everyone in the household toward psychological breaking points. The family's sanity is increasingly tested as hidden truths threaten to emerge. This is a 2021 South Korean thriller film directed by Leste Chen that explores the psychological depths of guilt, redemption, and moral ambiguity.