Der Amerikanische Soldat (1970)

Ricky is a ruthless contract killer of German descent in the US. After serving in Vietnam, he returns to his hometown of Munich to carry out assassinations for three rogue police officers. He takes a walk down memory lane with his old friend Franz Walsch and visits his mother and loving brother. When he requests a female companion from the hotel clerk, one of the police officers sends his girlfriend Rosa. However, she becomes infatuated with the killer.