Christian says he is stuck in the middle of two women fighting over him: his fiancée, Beth, and his mom, Carol. Beth says her future mother-in-law is meddling, constantly berates her and is trying to destroy her relationship — and if she doesn’t butt out, Beth says she’ll be forced to end her relationship with Christian. How did the bad blood begin? Carol admits she doesn’t trust Beth and even hired a private investigator to spy on her. Why doesn’t she approve of Beth? And, what did the private investigator discover? Christian, who says he once had a great relationship with his mother, says he and Beth have canceled their wedding twice, in part due to his mother’s behavior. Is he prepared to choose between the two women in his life? And, will Carol ever accept Beth? Don’t miss Dr. Phil’s advice for this troubled family.