When Aunt Vi is the lone juror on a murder trial who believes the defendant is innocent, McCall covertly investigates the case to find proof that Vi's instincts are correct.

McCall's determination to apprehend Mason Quinn, the criminal responsible for Bishop's death, veers into a dangerous obsession that could cost her everything. Also, Delilah finally meets her mother's vigilante team when she requires Mel and Harry's help to prove a fellow classmate has made her best friend a victim of revenge porn.