Rudolf Thome

Andy and Sebastian want to make a lot of money in a quick and easy way. They become private investigators. Their first case happens to be about a beautiful girl called Annabella. But being a private investigator is a more demanding job then they had initially thought. Their female acquaintances Annabella, Christa, and Micky also have their share in Andy's and Sebastian's problems. The two wannabe detectives become more and more entangled in things that prove too be too much for them. (filmportal.de)

The plot depicts a group of young woman that decide to kill their boyfriends if they insist on a relationship lasting longer than five days.

The obscure philosopher Georg Hermes almost withdrew from the world to concentrate on his studies, especially Heraclitus, having no relationship since his mother's death. When he wants a new suit for a lecture (actually very minor) about his new book, he meets the sisters Franziska, Breate and Marthe, who run a boutique, share a house and have a lover each. Those invite Georg to dinner, Franziska even on dates. Falling off a boat he gets naked with her, and they become lovers. (KGF Vissers)

On the occasion of his 60th birthday, Adam organizes an extended celebration at his country home. In addition to his current wife and their young children, the guests are his previous wives, the few most important of his former lovers, and the son he has not seen in decades with his family. (imdb)

An architect falls in love with a student who engages actively against urban speculation in her neighborhood, for which he is jointly responsible.

In this comedy, Iris Berben plays a mysterious, supernaturally beautiful girl from another planet, who confuses and flusters the men on earth, where she has landed. The men follow her wherever she goes. Marquard Bohm is no exception here – he leaves his wife in a lurch and travels with the Supergirl to Spain. The girl doesn't tell much about herself; she reports, though, about an impending threat from outer space. (Letterboxd)

Time traveler Frank is picked up by Luise and Theo while on their way to Berlin. Frank wants to find author Laura Luna and take her to the future with him. Frank finds Laura and they become a couple, but Luise shows up and makes it a menage a trois.