When Lyle and Erik Menendez become prime suspects in the murder of their parents Kitty and Jose, tenacious defense attorney Leslie Abramson to take an interest in their case.

Erik makes a shocking confession to his psychiatrist, Dr. Jerome Oziel, whose mistress, Judalon Smyth, gives the police a pivotal tip. Leslie makes a move to represent the Menendez brothers.

Leslie Abramson and Jill Lansing struggle to understand the brothers' motives, and the DA puts Judalon Smyth on the stand as the trial gets underway, sending the media into a frenzy.