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...
Inspired by the real life events of Mathias Kneißl, a marginal man, son of poor farmers from Bavaria, in the late XIX Century. Mathias stole from the riches to give to the poor, becoming a hero for the rural people, and a popular social rebel. He was chased by the police until his unfortunate sentence.
Two female members of the Soviet military are supposed to kidnap the new American secret weapon at a disarmament conference. The highlight is the duel between Curd Jürgens and Lilli Palmer with vodka in a diplomatic back room. The stopover on the way to freedom is the editorial office of the large Warner publishing house in the USA. The film ends with a wedding in the context of international understanding.
The multi-millionaire Eduard Schlüter takes part under the name Schulze in a raffle of his own Schlüter works and wins a stay at the Grand Hotel. Disguised as a poor swallower, he would like to study the reactions of the hotel staff and guests. As an assistant, he takes his reliable servant Johann with him. Once there, he makes friends and also has cause for annoyance when his daughter and the housekeeper arrive.
Four graduates of an industrial design school team up and form a small business. The protagonist is so excited by the venture that she turns down the proposal of her dashing instructor. Time passes and her three partners lose interest in the business for different reasons. This leaves the heroine who has a change of heart and decides to forgo the business and marry the instructor after all.