Swap Meet at the Love Shack(1973)

Original title: Liebesmarkt

When you're as pretty as Iris, choose an analysis of the love market as your doctoral thesis and also want to gain practical experience, you have to expect to get involved in delicate and not always entirely safe, but at least amusing situations. And since Iris can't manage all these love adventures alone, she enlists her circle of friends to help her with her research...