A young man loses all his money by gambling and decides to commit suicide, but is interrupted by a mysterious man who invites him to join a suicide club, where, through letters, it is drawn who is going to die.

An Argentine writer agrees to travel with a detective, a married individual and a woman in a car, to cross the mountain range. A storm forces them to seek refuge in a cabin, inhabited by an old fan of esoteric arts. Along the way, we learn about Alberto's story and the reasons for his arrest. In an oversight the criminal and the woman escape the detective's vigil ...