While renovating a secondhand villa, the new owner discovers a huge sum of money within the property. As the police investigate its origin, they uncover that the previous owner, Bai Guowei, had fallen to his death. Following the clues, a series of strange and major cases unfold. As the police unravel each mystery, the truth gradually comes to light. A fierce battle between justice and evil begins, with law enforcement confronting dark forces, leading to an intense showdown between police and criminals.