The Last Horse Carriage in Berlin

Because his future wife abandoned him shortly before the wedding, an old baron has decided that he doesn't want any women near him anymore. The daughter of the flaky woman decides to take it upon herself to get the baron and her mother back together again and dresses up as a gypsy boy to use music from "his" violin to soften the baron's heart ...

Meine Kusine aus Warschau (My Cousin From Warsaw) was based on a stage play by Louis Verneuil. It's a romantic farce, with the heroine posing as her own cousin to carry on two amours at once.