The wealthy Mr. Rich likes to cruise the seedier areas of Manhattan in his limousine, finding those who are willing to do whatever he wants them to do for a price--as long as he is able to watch.
A young married couple, named Marilyn and Rod, are having problems with their sex life and turn to another married couple, named David and Delilah, for advice whom suggest spouse-swapping to help with their own sensual pleasures.