Four famous Korean band TVXQ members are starring in this romantic drama about the love triangle between two high school students and their teacher.

After a photoshoot in a secluded, forested area, all five band members are told to rest in the house they are staying at. Xiah, who desperately wants to play football, drags Max outside to play with him. Both get hurt and are rescued by a mysterious girl, who provides a place for them to heal from their injuries. However, they soon discover that she will not let them leave. Back at the main house, Micky is in his own world, extremely worried about his lost band-mates. Hero, after reading a fanfiction about his supposed romantic relationship with U-Know, becomes anxious about why U-Know is suddenly being extremely nice to him.

Yu-mi and her friends are staying in a small Japanese town. When Hee-jung doesn't return home for dinner, they decide to visit the shrine from her painting. Strange occurrences startle them as they explore the shrine, even some end up injuring themselves. Yu-mi senses a sinister presence lurking within. She knows the right person for this, her old shaman friend named Myung-jin. Leaving the past behind with Yu-mi, he joins Pastor Han-ju, a spiritual leader of the town. Their mysterious cooperation to keep everyone safe is about to begin.