Sam and Buddy, two highway robbers, join with Colonel Quint, a big crook, who sold his services to Morgan, the banker, in order to free Baby, the banker's daughter, abducted by Espartero and his killers gang.
Sandro, a detective, finds his wife strangled. His girl-friend Tiffany, who works as photographer, makes a "Blow up" from a photo, what Sandro finds beside the victim.
The Sienese Pia Tolomei is imprisoned in a castle by a jealous husband. Based on the novel by Marguerite Yourcenar, inspired by a story from the Italian Middle Ages.
In this film the director's recurring concerns return: the divisions in the Chilean left, and its contradictions between what the director calls the "traditional" and the "revolutionary" left.
A film demonstrating steps to take in the event of a nuclear attack. Animated drawings show the effects of atomic explosions in the air and at ground level.