The third film in the saga of the unlucky clerk Ugo Fantozzi, played by its creator, Paolo Villaggio.
After losing a finger in a work accident, an Italian worker becomes increasingly involved in political and revolutionary groups.
Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders.
