A stock car racer gets involved with gangsters trying to fix a race.

After returning from a tour of duty in Vietnam, Peter experiences difficulties satisfying Rita in the bedroom. Hoping to rediscover their previous sexual passion, they embark on a series of sexual adventures, including orgies, bride-swapping and even more.

A booking agent named John investigates the murder of his sister, Gay. He interviews his friend, the owner of the strip club where sexually liberated Gay worked, her co-worker who's in love with John and their old abusive father.