I'm No Brat (1990)

Randy West and Nikki Randall are a happily married couple who can't keep their hands off each other. Until a beautiful maid comes to work for them. Soon, suspicion abounds that Randy is having an affair. Randy and Nikki are soon off to see their attorney (Jon Dough). What they don't know, is that Jon Dough and Marilyn Rose are playing both sides to the middle.