Daimon Helstrom investigates a possessed young boy in Oregon. Meanwhile in San Francisco, Ana Helstrom stages an auction to expose a criminal. Disturbing events at St. Teresa’s cause concern as the siblings estranged Mother remains hospitalized.

A horrific accident leads Daimon and Gabriella fighting to save a man’s soul, while a darker force attempts to stop them. Meanwhile, Yen’s relationship with his work takes a dark turn towards obsession, and a discovery leads Ana back to St. Teresa’s

Daimon and Ana learn more about the destruction their father left in his wake. With Gabriella, they pay a visit to a potential victim and find themselves in deeper than they ever could have imagined. Hastings shocks Caretaker with a stunning revelation.

Things are not what they seem as Mother’s health sharply declines. As Ana searches for Yen, Gabriella offers counsel to a student struggling to understand how demons live among us. Daimon makes a discovery that is truly a matter of life and death.

With a powerful demon looking for a new host and Ana struggling to control her darker urges, Daimon is offered a proposition from The Blood. Caretaker finds himself in hot water, and Dr. Hastings rattles Daimon with new revelations about his past.