The Big Snatch (1971)

Heroin addict Harry Keller grabs a young woman from off the street and rapes her in a back alley. After Harry learns that said woman is the member of a vicious street gang who are combing the streets for him, Harry decides to hide out in the apartment of his hooker friend Ruby. But will Harry manage to elude the gang for long or will they eventually find him so they can exact a harsh revenge?