Blue Movie (1971)

Michael is released from prison for a sexual offense: enjoying himself carnally with a 15-year-old girl 5 years before. His parole officer Eddie is keen to integrate his ward into society and helps him find an apartment, line up a job, and vet some of his new neighbors to find "a nice young woman from a good family." When he moves into his new apartment, he immediately finds distraction in the form of the countless open-minded housewives who live along the same corridor. After some shenanigans, he stars a new life professionally in his own way by organizing a block party while launching his sex-service syndicate.