Bored with their stuffy village life, teenagers Rolf and Susanne decide to run away and spend their future together in Frankfurt. But since Rolf has to do his military service first, Susanne travels alone to the metropolis, where she finds shelter with her uncle Ossi. He gets her a job and Susanne quickly takes a liking to the pulsating nightlife. Then she meets the handsome Johnny, who promises her a rosy future, but has completely different plans and wants to make her the whore of the city. Caught in the swamp of drugs, prostitution, violence and human trafficking, Susanne experiences the dark side of the big city and it gets worse when Rolf suddenly appears in town..