Cliff works as a narcotics investigator for the police and infiltrate a mafia gang. Soon it turns out that Cliff has bigger plans than just to bust bad guys.
A recent widow has invited a group of family friends to her large and secluded country home. However, what the guests don't know is that the reason they've been assembled is that their host suspects one of them might be her husband's killer and she's intent on uncovering the identity of his murderer.
Abel Hradscheck, the owner of an inn in the Oderbruch country, faces financial ruin. For this state of affairs, Ursula, his wife and former actress, is by no means free of blame.
Don Serafin has a complex: to all the beautiful women always seen with a beard. To remove the complex and try to cure him, his friends will lead to Biarritz.