Qin Nuan, who was sent to a mental hospital by his family, "recovered" and returned home after enduring inhuman torture. On the surface, she is obedient and obedient, but her heart has been twisted and reshaped. She struggles to survive between her cold brother and her scheming adopted sister. As the truth is revealed, a family game that begins with disguise and ends with subversion is quietly staged. Everyone has to face their own crime and punishment amid guilt and madness.