Жаркое лето Сисси / Sissy's Hot Summer (1979)

This story is an X-rated take-off of the hit T.V. series about three roommates, Sissy, Janet, and Jack. Their coxy sexual threesome becomes endangered by eviction when they fall behind in the rent, so they must hustle the only thing they know how to do for money. What follows is a comical account of their sexual endeavors. Along the way, Jack and Janet meet a rich, kind socialite and a teenage hustler, while Sissy finds an eccentric playboy who thinks he’s Tarzan and lives out his fantasy in the trees with her. After a day filled with hot erotic escapades, these three roommates find enough money to pay the rent, and more than enough new sensual tricks to keep their threesome hot for a long time!