On Christmas Eve, a wealthy family is busy preparing for Christmas. It's snowing outside the window, and my daughter is in the house when she comes back from college. The family was immersed in the atmosphere of reunion before Christmas.

At this time, everyone thought that the father of the head of the family had not woken up, but as soon as the door opened, he died in bed with a knife in his back. Everyone panicked and tried to call the police only to find that the telephone line had been cut off long ago; The car has been damaged and it is impossible to drive to the police station. Obviously, the murderer is among these eight people. Mutual suspicion and accusations began, and everyone's unknown secrets were exposed one by one. The subversion of ethics and the greedy and selfish nature make this Christmas Eve particularly chaotic. Ironically, it doesn't matter who the killer is in the end. ...