CAPSULE: The Thorsons go after a celebrity author, Philip Carlton, the ""Heart Doctor,"" who has taken his own love therapy too far with some of his patients. SPOILER ALERT! Key plot details revealed! Ricky has a celebrity for the Thorsons to pick up--Dr. Philip Carlton, the ""Heart Doctor,"" who has written the best seller ""Men Are Cats, Women Are Dogs."" The doctor is accused of rape after tricking a patient into having sex with him. Ricky tells both women they could perhaps use his counseling. Brandi goes downtown to find out what she can about Carlton, though her mother thinks she just wants to see Farrell. Dottie and Brandi both go to see Carlton's wife Sharon, from whom he's separated. She's in a hospital mental ward and is confused and unresponsive. She mumbles a few words, but the Thorsons don't know what she's talking about. Watching a video Carlton made, Dottie realizes that Sharon was talking about the house in the video, which is located in Lake Tahoe. Brandi and Dottie travel t