Nobody pulls the reins in on Diane. her ex-husband Ken learned that lesson in things change 3. Now it's her lesbian lover Mike who learn a lesson or two. While Mike is having jealous delusions of Diane an Pete, Diane is really breaking free with Billie, Mike's ex-lover. Confused? Imagine how Ken feels when Diane comes crawling back to him, with Billie in two for a three-way marriage!