Angie says she is convinced that her husband of 23 years, Joe, is having an affair right under her nose with a 21-year-old woman. Angie says she installed surveillance cameras all around their home in hopes of catching Joe in the act. But Joe says he loves his wife and would never have an affair. After watching hours and hours of surveillance footage, Angie claims she has proof and believes Joe is lying. She says she sees images of Joe with someone else and hears a woman's voice. Will Dr. Phil see what Angie sees? And, the alleged "other woman" is here and what she has to say may surprise you.