"Daddy" is a rich man. Sexually demented, trapped in a wheelchair. He can only satiable his thwarted lust by forcing others to enact his bizarre imaginings. His love-hungry wife, his precocious daughter, and his sensitive foster son are only pawns in his erotic game. The Oriental voluptuary, Linda, and her brawny paramour, Buster, provide 'Daddy' with his every fantasy when they visit the family. "Daddy" watches on closed circuit TV as the kinky Linda explores his juicy wife in the bathroom. His delight turns to ecstasy as they move from climax to climax, using the sex toys "Daddy" has provided. The nymphet daughter and the confused son give 'Daddy' a few surprises, and Buster is utilized in a way he would never normally submit to. The evening explodes in a reverse that stuns everyone. THE FINAL SIN is the ultimate in sensuality – the kind that burns!""