A secret agent is sent to infiltrate the heavily guarded fortress of a madman bent on taking over the world.

Five episodes: A professor decides to murder her husband to win a woman. A hotelier seduces a boarder. A man convinces a friend to marry his lover, so as not to arouse his wife's suspicions. A man borrows money from a loan shark to pay for the services of his wife. Two couples try in vain to take a trip to the seaside.