Alexandra is a model who comes to Berlin to rekindle an affair she started in Rome with businessman Joachim Steigenwald. But he pretends to be too busy for her and has his employee take Alexandra sightseeing. He, too, immediately falls under her enchantment. When they encounter Steigenwald, she finds herself between the two men, as someone who is always up for flirting with men …
Charles, a talented but poor chemist, has become a wealthy man overnight. The industry is all about his new invention. But the next day, his wife suddenly dies. Nobody suspects anything bad at first, but then Detective Inspector Morland shows up and begins an insidious game of questions and answers. Poison has been found in the contents of the dead woman's stomach.
