Three men accidentally end up stranded on an island in the Baltic Sea: friends Achim and Klaus and railroad worker Erich Spalteholtz. Both friends try to swim ashore to get help. In the process, they have adventures with the police as well as with the enchanting girls Anne and Brigitte! However, before Erich Spalteholtz is rescued from the island, he helps himself alone - thinking that Achim and Klaus have drowned...
Hans-Joachim Martens
as Achim
Ezard Haußmann
as Klaus
Kurt Rackelmann
as Spalteholz
Sonja Hörbing
as Anne
Ingrid Rentsch
as Brigitte
Rolf Ripperger
as Leutnant der Volkspolizei
Harald Popig
as Kneister
