When you get married, you look forward to a life filled with love, happiness and security. But what do you do if you find out your spouse has been telling you lies and is someone completely different than the person you thought you knew? Elizabeth says her husband of three years, Matt, is a pathological liar, a con man and an alcoholic. She says he has lied about everything from what he does for a living to dying of cancer so that she would marry him. Matt says Elizabeth is a sociopath, and he accuses her of molesting her 12-year-old son. When Dr. Phil interrogates them with tough questions, will the truth come out? In an effort to sift through the mudslinging and get to the truth, Matt and Elizabeth agree to take a lie detector test. One of the two was deceitful in answering every question. Find out who. Next, hear from Randy and Rhonda, a couple who took Matt in and are caring for him because they believe he may be living the last phase of his life. Will Matt's shocking statements change their view of him? Dr. Phil has a strong warning for this couple. Then, Matt and Elizabeth are currently separated and negotiating custody of their two young daughters. See the argument that ensues outside the courthouse when Elizabeth accuses Matt of sleeping in the same bed with Rhonda. And, what's the shocking statement Matt makes about his daughters?