While on a luxurious wine tasting tour, four best friends are taken prisoner and forced to fight each other in a winner take all gladiator match.

The young, married Marianne falls into the circles of partner swapping. Georg, her husband, accuses her of frigidity and uptightness. After an argument in the marital bedroom, they separate and divorce. Marianne soon meets Franz and his wife Judith, who need a certain stimulant to achieve complete satisfaction. Marianne is the perfect object for them.

The head of a big engineering firm is a workaholic who neglects his pretty young wife - leading to her joining an "escort" service as a means of sexual relief. All is well, until the escort service is hired to entertain the engineering firm's clients at a swingers' party.