Lana receives startling news from Mary Eunice. Meanwhile, Arden sets out to learn what happened to Grace and Monsignor Howard takes on a true believer.
Officer Jessica Tang is served with divorce papers in the morning that appears to have affected her judgment in a shooting later in the shift. Sammy Bryant holds a grudge against Ben Sherman for not backing him up over drug evidence that may have been planted during a previous arrest. Meanwhile, Lydia is still hesitant to discuss her pregnancy with Ruben and Det. Fernandez.