An engagement symbolizes a commitment you make to one special person. But Dr. Phil's guests are accused of the ultimate betrayal: cheating on their spouse-to-be right before walking down the aisle.
Melanie says she's obsessed with catching her fiancé, Mike, in the act. She constantly checks his e-mails and phone records, and even flew to another town while he was on a business trip to see if he was being unfaithful.
Nicole called off her wedding when she discovered that her spouse-to-be, John, had sex with another woman one month before their big day. John blames his affair on "hormones" and desperately wants to reconcile.