A kind-hearted vagabond, Tony, being targeted by a gang when he tries to stop a kidnapping. He must turn to his friend, police Santini, and use their wits to survive.
Aldo is an introverted boy who loves photography and exploring caves. An earthquake strikes while he is exploring a cave, probably caused by an atomic explosion. Reaching the surface, Aldo discovers that radioactivity has destroyed any trace of human life.