After Jochen saves police officer Erich's life, the two men become close friends and Erich helps Jochen get a job working for Berlin's local train system. But Jochen falls into the hands of the beautiful West Berlin agent Ellen, who convinces him to participate in acts of sabotage against the trains. All of a sudden, Jochen is making a lot more money and even Erich's former girlfriend Inge becomes interested in him. But everything begins to unravel when Erich observes his friend's illegal activity on one of his nightly rounds.
Claus Holm
as Jochen Böhlig
Inge Keller
as Ellen Zander
Hanns Groth
as Kurt Strack
Peter Lehmbrock
as Erich Schröder
Brigitte Krause
as Inge Marten
Horst Drinda
as Helmuth Becker
Evamaria Bath
as Bettina Gerold
Margarete Kupfer
as Muttchen Kühn
Werner Pledath
as Volkspolizist Walter
Albert Venohr
as Bremer
Heinz Scholz
as Kriminalinspektor
Theo Shall
as Mr. Grey
