Season 1

A boy arrives at the Southern Catholic Hospital Emergency Center with internal bleeding. Doctor Ham Eun Ho desperately tries to save his life and attempts to stop the internal bleeding. The surgery fails, but miraculous…

Eun Ho stops Soo Min from performing an exorcism on Woo Joo and takes him back to the hospital. Certain that Woo Joo is possessed, Father Moon gets consent from the Vatican and convinces Woo Joo's mother that medical he…

Soo Min tries to make Eun Ho believe about exorcism. After helping Woo Joo, Soo Min realizes that the evil spirit has moved onto someone else’s body. Eun Ho gets an attack from Mi So, and Father Moon finds another way t…

Soo Min sees his dad in Mi So’s unconsciousness. Eun Ho and Soo Min perform an exorcism on Mi So under Father Moon's control. Father Moon plans that Eun Ho enters Mi So's subconscious through hypnosis and gets rid of th…

As soon as they get rid of the devil inside So Mi’s body, a new energumen starts attacking people in the hospital. Ms. Sung gets an attack and Eun Ho sends a footage file of the incident to Soo Min and Father Moon as sh…

The new energumen, Jae Moon runs away from the hospital, and the members of 634 Regia try their best to catch him. Father Moon senses something dangerous and asks Eun Ho to take a leave and stay away from the hospital. …

After encountering and attempting to exorcize an energumen, Kyung Ran is murdered. Although it was the energumen controlling her body, it looked as if Kyung Ran took her own life. This tragedy causes Detective Koo grave…

Do Kyoon feels remorse about what had befallen Kyung Ran, while she as a demon tries to convince him that Father Moon was the cause. When her persuasion fails, she begins to overtake him instead. Yong Pil finds another …

Soo Min and Eun Ho are having a meeting with Sister Hae Min who claims to know the way to bring back both of their lost memories but with a risk. Eun Ho decides to participate in the ritual desiring to identify the caus…

Sister Hae Min and Bishop Kwak are discussing the future of 634 Regia following the incidents that led to Ki Sun’s demise. Bishop Kwak suggests its closure but Sister Hae Min disagrees pronouncing that its sacrifices ha…

Sister Lee Hae Min thought it would be for the best to transport the mother of pearl box to a safer place. However, the mother of pearl box is snatched by the mysterious man who attacked Yong Pil. Meanwhile, Eun Ho has …

Sister Lee was attacked during a charity event and is in a critical condition. Father Oh and others chased the culprit down but fail to catch the culprit. For not following the rules, Father Oh is now facing the possibi…

Soo Min has been in a manipulated dream all this time. After finally waking up from his nightmare, he tells the members of 634 Regia about what happened in his dream. Now they are trying to find out where the demon is h…

634 Regia has located the demon and tries to exorcize it. Their plan, however, fails as the demon knew ahead of time and set a trap for 634 Regia. With some of the members detained by the police, Father Oh and Ms. Shin …

Woo Joo is sick again with an unknown cause. It is revealed that the demon that once haunted him before visited him in his dreams. Father Moon suspects it is the demon’s breath that has infected Woo Joo. Soon after Woo …

More and more innocent lives are lost as time passes by. The demon has possessed Eun Ho, and she is in dire need of an exorcism. The demon is tempting Soo Min to kill it along with Eun Ho in the name of the greater good…