Bull and his romantic rival, Diana Lindsay, join forces to create two defence teams when Diana's niece and her husband are charged with armed robbery. Bull's reunion with Diana is strained by his new post-heart attack regimen.
When the headmaster of Bright's alma mater is found murdered, he is forced to face a secret from his past; Jessica struggles with her decision to end things with Gil; Martin grows closer to Friar Pete; JT eagerly anticipates the birth of his baby.
Jessica dives head-first into the past for the sake of her tell-all book; Martin is desperate to get in touch with his son ahead of his imminent plans, as Dr. Vivian Capshaw grows increasingly suspicious.
The team goes up against the mystery woman in a battle of dueling deceptions; when Cameron thinks he finally has the upper hand, the mystery woman unleashes her most game-changing twist yet.