Viktor and Angelika are a straight couple. He is a professor of veterinary science and she has studied art history. Both are more interested in their hobbies and professions than in each other; also, Viktor isn't terribly interested in satisfying his wife anymore. Their upright relationship changes dramatically when Viktor gets to know Lotte, a former school friend of Angelika's. Back in school, Lotte would have done anything for Angelika.

A successful, womanizing middle-aged man decides to move out of the house he shares with his wife after she confesses to having an affair. He looks for a new place to live and ends up moving into his wife's lover's apartment as a roommate. The husband begins to take an interest in the artistic work of the lover and coaches him for a big job interview. Little does he know that the job he's helping the lover to get is within his own company... A story about strange circumstances and the limits of friendship.