A romance takes place between Kang Ji-Sung aka Louie and Ko Bok-Sil. Louie is from a rich family, but he has lost his memory. Ko Bok-Sil is a woman with a heart like an angel. Louie learns about true love after meeting Ko Bok-Sil. A rich heir uses his money to overcome his loneliness. After losing his memory, he starts depending on an energetic young woman from the countryside who teaches him how to spend money wisely.

To save a girl in danger, a priest and deacon jump into a mysterious case. The young girl Young-shin seems to be possessed by demon and Father Kim and Deacon Choi are about to investigate the case. But to save the life of Young-shin, the have to find out if the girl is truly possessed or maybe the victim of a human force. Or in the worst case both. When it is discovered that evil spirits are hiding inside a young girl's body, a pair of priests must take it upon themselves to find the truth in order to save her life. The Priests is a 2015 South Korean supernatural horror mystery film written and directed by Jang Jae-hyun.