Tensions rise as Trevor gets closer to the truth about Barbara's death. David grows more desperate, leading to his and Brina's relationship becoming strained again, while Steven has to deal with his, recently resurfaced, serial-killing father. The Librarian inserts himself into the action and reveals a hard truth to Ray, leading to a devastating chain of events. Damien, meanwhile, tries his best to keep both the morale and the morality high within the precinct, as they are searching for a way to stop Trevor. Growing desperation and overwhelming guilt cause a number of confessions, revealing dark facts and painful truths, until everything culminates in a massive clash of Damien's forces and Trevor's powers, the result of which guarantees nothing will ever be the same.
