Ingeborg and Marlies are expecting two exchange students from the USA. But instead of two harmless boys, sex-addicted Chuck and his army buddy Boom arrive. So instead of a nice city tour, there's now intense sex. Chuck immediately fucks the surprised girls while Boom listens in. Later, a pizza chef joins them - the orgy is perfect!

The Baron has sex problems with his wife Nora. As he doesn't know how to help himself, he turns to Raul, who is an expert in "sexual education". There Nora is supposed to be taught to be horny.