The story of the Menéndez brothers, who were convicted in 1996 of murdering their parents José and Mary Louise “Kitty” Menéndez.
Plagued by dark thoughts after the murders, Erik opens up to his therapist and shares disturbing details that put the doctor in a difficult position.
After throwing suspicion elsewhere during police questioning, Lyle and Erik go on a wild spending spree while waiting for Jose's will to be read.
The brothers navigate life behind bars after police receive a tip-off about the tapes. A new defense attorney prompts Erik to talk about the past.
Lyle shares painful memories of trying to live up to his father's expectations, detailing the timeline and impact of Jose's abuse and its effect on Erik.
During an emotional conversation with Leslie, Erik gives a harrowing account of the sexual abuse and torture he experienced throughout his childhood.
The trajectory of Jose and Kitty's relationship — from their courtship through their fracturing marriage — plays out against family therapy sessions.
Lyle and Erik struggle to shape their defense before the trial. Then Menendez mania hits — from cheering crowds to fan mail and courtroom TV cameras.
A captivating witness alters courtroom dynamics, and Erik's testimony causes a sibling rift. The Menendez pop-culture moment begins to fade.
At a second trial, the prosecution aims to prove that Erik and Lyle are cold-blooded killers. After the verdict, the brothers face a new reality.
