Theresa says her fiancé, Bill’s, ex-girlfriend, Melissa, is jealous and obsessed with trying to ruin their relationship. She claims Melissa is a “psycho stalker” who sends Bill naked pictures of herself, shows up at his workplace unannounced, and is ... (more)making their lives “hell.” Melissa, who has a 3-year-old son with Bill, says she blames Theresa for destroying their family. She says Bill cheated on her with Theresa when she was pregnant with their son -- so for revenge, she claims she’s slept with Bill several times since he’s been with Theresa. Bill admits he’s made mistakes, including cheating on Theresa twice with Melissa -- but claims it was she who took advantage of him. He says he’s tired of being stuck in the middle of their drama, and just wants to peacefully co-parent with Melissa and marry his true love, Theresa -- but is he sending mixed messages? And, Theresa says she doubts that Bill is the father of Melissa’s 3-year-old son. What will the paternity results reveal? And, will they all heed Dr. Phil’s advice to bring resolution to this drama-filled love triangle?