During a spaghetti western screening a man is shot dead, the doors are locked, and the police are called in to investigate.

A rich, mentally-unstable man—with a penchant for playing deadly S&M games with women who resemble his dead wife—sparks off a chain of bizarre events after getting remarried.

Two brothers, Monty and Ted, will inherit $300,000 if they manage to live together for six months.