The piece truly promises a mountain-and-valley ride of emotions. ? Les montagnes russes?, according to the original title, premiered in Paris in 2004 with Alain Delon in the leading role with great success, has everything that makes French comedies so unique: precisely drawn characters, a sophisticated plot structure and stunning wit. A light, charming comedy with thoughtful overtones and many surprising twists that keeps the viewer in breath and in good spirits until the end. Especially when such brilliant actors as Peter Bongartz and Susanne Schäfer are on stage. You get to know each other in a bar. They talk and are immediately sympathetic. And when he put them ?on one last glass? invited to her home, she agrees without hesitation. He is attracted by the prospect of a small amorous adventure with the self-confident young lady. The fact that she is much younger than him does not bother her or him. And the opportunity is favorable: his wife and son went to the mountains for a week, but he deliberately concealed this from her. Now they have landed in his apartment and it is quite clear what will happen next. But things are very different. Because more and more the young lady takes over the direction of the evening. It quickly becomes clear that she is not what she initially claimed to be. Is it really just a non-binding adventure? Who is she really? And what does she want from him?