Everyone loved Fred MacMurray on screen—the sweet dad from My Three Sons, Disney's favorite star. But in real life? He was Hollywood's worst nightmare. He got into a fistfight with Humphrey Bogart, harassed his female co-stars, and was so impossible to work with that even the great Alfred Hitchcock said "no thanks." For 50 years, he fooled America. Now, the shocking truth about TV's favorite father figure is finally coming out.