Priest

A child dies at the ER, but then his ECG graph starts moving again; an exorcist comes to the doctor.

The child is possessed so they exorcise him; Eun-ho is confused, but the chase for the devil's on.

An inevitable alliance forms between Eun-ho and Soo-min.

Soo-min attempts an exorcism in the host's psyche, but the devil shadows over him more and more.

The 634 Regia is in crisis while trying to fight against the great devil.

The host escapes from the hospital as the 634 Regia is on the chase but a poltergeist blocks them.

While a weapon to defeat the devil is unveiled, the 634 Regia has a fight after Kyung-ran's death.

Detective Koo is possessed by the devil; someone who knows how to deal with the devil arrives.

Soo-min and Eun-ho's memories are finally unveiled and yet another secret as shocking awaits.

As the devil plays cruel tricks, 634 Regia's founding member, Sister Lee, has the tables turned.

While the devil's getting stronger, an assailant approaches Soo-min.

Soo-min grapples with the revelation that his assailant might be his mother.

Soo-min wakes up from a dream and is confused about what is happening.

Eun-ho and 634 Regia fall into the devil's trap; Soo-min devises a risky strategy to fight back.

Woo-ju is back at the ER, letting out black, murky breaths; Father Moon comes up with a last resort.

The devil's terrifying whispers continue as the 634 Regia begin their fight against the devil.