Seitensprung ins Glück (2000)

The professionally successful fund manager Sandra surprises her fiancé Gregor in a compromising situation with a stormy nurse and subsequently dumps the doctor. When she urgently needs a male companion for a business dinner with conservative foreign investors and turns to a gigolo agency, Gregor slips into the role of the hired man in order to convince his fiancée of his innocence in this ticklish situation.