In 1990, at a secluded community center, the custodian murders all the guest lodgers and kills himself. Ever since, on every Old Year's Night, paranormal events begin to take place within the building. Eventually, the center is shut down and left abandoned for years. A renowned paranormal investigator who had lost his mother during an exorcism and three college students who heard about the rumor of the unexplained phenomena heads over to the building, resolved to uncover the buried secret.
So-Ah works as a teacher at a local school. She was curious about Boo Young-Suk, a student with a sinister aura who is always present on the attendance list but no one calls him by name. The more she tries to get Boo Young-Suk back to school, strange things begin to happen at school.
Seong Jae works at a major firm, but always works late due to the workload. Once, he falls asleep while working overtime and reaches the Sleep Bank, where he takes a sleep loan from the branch manager. Seong Jae returns to the sleep bank after continuous nights of overtime and extends his sleep loan. Seong Jae manages to reach his target achievement thanks to the sleep loan, but the interest has built up, and the time when he has to pay it all back has come.
Lee Cheong, o Príncipe de Joseon, foi feito refém da dinastia Qing. Como todo homem que se preze, gosta de bebidas, mulheres e jogatina, além de ser um excelente espadachim. Seu irmão mais velho Lee Yeong sucederá ao trono e levará Lee Cheong a Joseon. Ele retorna depois de mais de 10 anos. Logo, Lee Cheong enfrenta monstros que correm desenfreados na noite.
