It's 1930 and two record producers are competing to sign a big contract with the leading singer of the day. One kidnaps the other, thinking it's in the bag – unaware that his competitor has a twin who will step in to save the day.
- Release Date: July 17, 1975
- Runtime: 97 minutes
- Production countries: Sweden, Denmark
- Original Title: I Tvillingernes tegn
- Original Language: dansk (Danish)
Actors: Ole Søltoft, Karl Stegger, Cia Löwgren, Bent Warburg, Lise Henningsen