An Affair of Honor 1999 on netflix

Hendrik is a responsible public servant who is deeply in love with his beautiful wife Evelin. Evelin, however, finds their protected life boring; she wants Hendrik to do something more exciting. When he returns from his business trip, Hendrik will find his schoolmate Berg in their balcony and will furiously throw his gloves to Berg’s face. Soon it will turn out that this has been the challenge accepted.