Doubt

Successful defense lawyer Sadie Ellis starts to fall for her charismatic client, pediatric surgeon Billy Brennan, who is accused of murdering his girlfriend 24 years ago.

Sadie works on a case involving one of Isaiah's oldest friends as she tries to keep her relationship with Billy strictly professional. Meanwhile, Cameron is conflicted about having her client testify against his own cousin.

Sadie confronts Billy about new evidence in the case against him, and his explanation disappoints her. Meanwhile, a piece of evidence surfaces and it could expose a massive scandal, and Cameron and Tiffany defend a psychic accused of grand larceny.

Sadie interviews Billy's ex-classmates in hopes of finding a key piece of evidence and defends her childhood best friend in a probation violation case; Albert's unpredictable father visits; Isaiah faces off in court against his former law partner.

The DNA results in Billy's case come back; Albert is tormented by Rodney Hill, one of his clients; Cameron represents a woman who was issued a cease and desist order for publicly shaming her rapist.

Amidst prep for Billy's trial, Isaiah goes with Sadie to visit her mother in prison; Albert and Cameron defend a transwoman who was arrested for stabbing a famous baseball player; Cameron gives into her feelings for Peter.

The firm reviews Billy's sister's old therapy session tapes for clues in the murder case against him.

Sadie testifies at Carolyn's parole hearing on her fitness as a mother; a man from Carolyn's past resurfaces; Nick's first case is against the district attorney who put him in prison.

Albert discovers the truth about Sadie and Billy's relationship and fears Sadie's judgement has been compromised; Cam and Nick defend a client accused of conspiracy to commit kidnapping; Isaiah takes a break from the firm.

With opening statements looming in Billy's trial, Albert and Sadie struggle to rebuild broken trust and do their best for Billy as the prosecution lays out a devastating case. Also, Peter and Cam face the first crisis of their budding relationship when Peter considers a run for District Attorney.

Billy upends his case when he chooses to go against the advice of Sadie and Albert and decides to testify in his trial. Also, Cam must decide if she will forgive Peter, and Nick and Tiffany defend a former prison friend of Nick's.

Sadie gives her closing argument in Billy's trial and the jury begins deliberating. Also, Sadie learns about Carolyn's cancer diagnosis, and Tiffany and Cameron defend a woman who murdered her best friend while allegedly sleepwalking.

After the jury delivers their verdict in Billy's trial, Sadie learns he has a secret that might have impacted his case. Also, Billy uses a favor owed to his family by the governor and gets Carolyn released from prison, and Nick is charged with the murder and Isaiah and the firm rally around him to get him released. (Series Finale)