A new couple introduces themselves at Fabian Anders’ practice: Rebecca Renner and Mario Kortner. The two of them have been having an affair for a long time, but Rebecca is now fed up with her continuous status as a mistress. She insists that Mario separate from his wife – which, contrary to expectations, he finally does. But instead of being happy about it, Rebecca throws herself into a new affair. To Fabian’s dismay, his wife Paula may be doing the same.
