Boatman Ahrens from Hamburg has a sense of justice when it comes to finding a missing girl. He goes down illegal paths when he breaks into someone else's villa. He is caught by the millionaire entrepreneur Ofterdinger and his employee. It turns out that everything is connected to the death of a Turkish citizen who came to Hamburg penniless and worked in the port without papers. Ahrens suspects that it must be a crime...
Werner Toelcke
as Ahrens
Heidemarie Wenzel
as Lore Pohl
Dieter Franke
as Kommisar Schnabel
Petra Hinze
as Gisela Escherich
Friedo Solter
as Ofterdinger
Werner Tietze
as Sieg
Alfred Struwe
as Pohl
Gertraud Last
as Frau Pohl
Doris Thalmer
as Mutter
Johannes Wieke
as Vater
Joachim Kaiser
as Diener
Gerhard Lau
as Mann
