After a famous actress is murdered, an unreliable detective and a group of suspects are kidnapped and locked inside a theater. Forced to solve the case within four hours by a masked captor, the detective must uncover the truth as secrets, lies, and hidden motives come to light.

After reuniting with his love of life, Sha Sha, underground boxer Gao Yuan escapes from the gangster who controls him. Hao Ge kidnaps Sha Sha so Gao Yuan would return to the game.