Seok-woo and his daughter are on their way to Busan aboard a high-speed KTX train. As the journey begins, a virus starts to spread, turning all the passengers into zombies.
Makers of horror show set out to an infamous asylum known for paranormal activities. The team expects to make good money if it streams the happenings live.
High-school girl Ja-yoon, who seems happy spending time with her best friend, is otherwise leading a miserable life. She has amnesia, and her life takes turn when she tries to find out what happened to her.
On visiting her old home, Seo-Yeon speaks on the phone with a woman, who claims to be tormented. The mystery deepens as she discovers that the call is coming from the same house, but 20 years ago.
Architect Sang Won is distressed after his wife’s death and daughter's disappearance. Things take a spooky turn when he is told to look for her in the closet by a mysterious man.
When twin sisters drown in a waterbody only one is rescued. As the young woman comes to terms with this reality after a 10-year coma, she stumbles upon a gruesome secret about her family.
Sun-Jae comes across a pair of red heels with her daughter and brings them home. She soon realizes that wherever the pair goes, it leads to envy and death coupled with nightmares about ghosts and blood.
Sisters Two return home from a mental hospital only to face disturbances created by their brutal stepmother. Adding to their woes are ghosts, who haunt them for revenge.
When the staff and students of school start disappearing after their teacher’s suicide, chaos ensues. Will they be able to escape the haunted school?