 Horst makes friends with his new gay neighbour, Siggi, who introduces him to a new and much more relaxed perspective on his sex drive.At the same time he starts an affair with the famous soprano singer Kriemhild Nastrowa, who is guesting with the orchestra that Horst plays double bass in.Vera does not know any of this and, on her friend Gilla's advice, attempts to seduce Horst over dinner with sexy underwear.