Sandro is a Roman adrift in Venice during the Carnival. After sixteen years of marriage, Sandro can no longer reconcile his spontaneous and lively character with that of his wife Laura, a cultured and composed Venetian woman. Yet another argument prompts him to leave her and seek refuge at the home of a painter friend. Among his many paintings, he notices one depicting a naked woman who bears an incredible resemblance to his wife. Are they two women or one, and in the masquerade of the Carnival, what is real?

An alien civilization, which facing eminent extinction, kidnaps two famous genetic scientists from Earth. A troop of soldiers is dispatched to combat the humanoid robots and rescue the victims.

A strange signal arrives on the Earth disturbing all communications, while an UFO appears above the Antarctic sea. Captain Alex Hamilton is sent with his spaceship and crew to the space outside the Solar System to find the origin of that signal. They reach an unknown planet where a giant robot enslaved a whole population of humanoids by taking their psychic energies.