A vet has successfully taken over her father's practice. Now the already smouldering marital crisis comes to a head when anonymous letters accuse her husband of having an affair. Meanwhile, the doctor is being courted by the local mayor.

Michelle De Winter lives the good life, wining and dining with only the richest men who are fortunate to cross her path. Her daughter Yvette, whom Michelle insists on introducing as her 'niece', is a fashion model. She is saving herself for the right man, despite the fact that she is part of the free love generation and lives with a group of promiscuous creative types. While Michelle is searching for a new millionaire playboy, Yvette falls for the handsome Peter Von Hallstein. She asks the fatherly Dr. Fink to help her come up with a scheme to get Peter to propose to he

Frank Faust is a born loser. At some point it even becomes too much for his great love, Jennifer, who leaves him and flees to Munich. Frank's desperation is the best reason for Mephisto to show up and offer a suitable pact: reconciliation with Jennifer in exchange for Frank's soul. Shaken by his predicament, Frank finds it easy to agree to the hellish proposal. In order to win back his renegade lover, Mephisto transforms himself into a wide variety of prominent contemporaries who appear at Frank's side and publicly praise his qualities - especially for Jennifer to hear. The plan seems to be working perfectly, unless Mephisto suddenly reveals a completely new side to his personality...