The young lieutenant Hans Rudloff is engaged to the daughter of a councilor of commerce. However, he is in love with the flower arranger Anna. In order to marry her, he is even prepared to resign from his post. But gossip and intrigue don't exactly make things easy for the two of them.
Student Helene moves to Berlin to write her doctoral thesis. In the laboratory of her doctoral supervisor, the renowned Professor Matthias, she meets the charming Dr. Stefan Rainer. Helene falls in love with him, unaware that Stefan is already having an affair with Matthias′ wife Yvonne.
At the behest of their boss, London private detective Charly Biff and his assistant Ingrid are supposed to relax on a cruise along the Adriatic coast. Even before the ship sets sail, Charly gets on the trail of drug smugglers in the port of Portoroz. He soon finds out that they want to transport...