The Consequence (1977)

Young man sneaks into older man's cell at evening lockup and spends the night. They kiss and end up naked on his bed, presumably after having sexual relations. Nudity includes seeing them shirtless and showing the edge of his naked body as he sits up in bed.

Home porno movie shown has male full frontal nudity with full erection, woman's breasts, shows pubic hair of both in an extreme closeup of heterosexual intercourse.

Young man uses crude language to describe having sex with a young woman and mutual masturbation with other boys when he's locked up.

Several instances of young man in only underwear.