Helen Haxton

An unhappy married couple finds themselves at the mercy of a vagabond couple who appear at their door claiming their car broke down. They are really hired by the husband to warm up his wife; but things quickly turn ugly.

A married woman is pushed to her boundaries about her desires, but she is just an unwitting pawn in an elaborate conspiracy. (imdb)

While attending his high school reunion, Jeff becomes reacquainted with his old girlfriend Angela, and discovers that while she was a bit flighty years ago, Angela has since developed a sexually adventurous streak (IMDb).

Struggling publisher's agent, in a bad live-in relationship, recruits a romance novelist whose bestsellers document her affair with the agent, and betrayal. She refuses the deal, just to spite him. But an old friend shows up to rescue him from both traps (IMDb).

At Biotec the scientists are trying to develop a sexually stimulating drug for both men and women. Robert tries his on himself and it turns him on and off into a sexy woman and back to himself making things complicated. (imdb)