After Jose and Kitty Menendez are found murdered in their upscale Beverly Hills home, their eldest son, Lyle, maintains a stoic appearance while his younger brother, Erik, struggles to deal with overwhelming grief. As detectives Les Zoeller and Tom Linehan search for the killers, evidence begins to suggest that Lyle and Erik may be the prime suspects. Meanwhile, a tenacious and energetic defense attorney, Leslie Abramson, takes an interest in the case.