Dark Nuns
A boy named Hee-Joon (Moon Woo-Jin) is possessed by an evil spirit. People around him struggle to save him. Nunnery Yunia (Song Hye-Kyo) takes action to save the boy, who is overcome by intense pain and she never gives up on the boy. Nunnery Mikaela (Jeon Yeo-Bin) is attracted to Nunnery Yunia's actions and decides to help her despite everything being in chaos around them. Father Paul (Lee Jin-Uk), who is also a psychiatrist, believes that he can cure Hee-Joon with medical treatment. Father Andrew (Heo Jun-Ho) performs an exorcism to exorcise the evil spirit from the boy Hee-Joon.