Theresa says her fiancé, Bill's, ex-girlfriend, Melissa, is jealous and obsessed with trying to ruin their relationship. Melissa claims that Theresa destroyed her relationship with Bill, so for revenge, she's slept with him several times since he's been with Theresa. Bill admits he's made mistakes but says he's tired of being stuck in the middle. Dr. Phil intervenes in this drama-filled love triangle for the sake of the children.