An eccentric millionaire gives a party for his birthday. With his friends, gamblers and collectors , they play games in their own way. One of them, a woman, suggests this: since they're all gamblers they should play a fortune on the life of one of them.

International criminals try to obtain a revolutionary new gun made for the U.S. government.

During the dictatorial regime of Juan Vicente Gómez, the bachelor Ibarra is imprisoned for political conspiracy. In prison, the inmates live together remembering the events that led to their imprisonment. Finally, a group, led by the bachelor Ibarra, manages to carry out a plan to escape from the prison.