After being appointed as the vice-principal of her alma mater, Eun-hee becomes plagued by hallucinations. Branded a troublemaker by the teachers, Ha-young hears strange sounds coming from the school's dilapidated restroom.
After being blinded in a coup against the king, Joseon's greatest swordsman goes into hiding, far removed from his city's anguish. But when traffickers kidnap his daughter, he has no choice but to unsheathe his sword once more.
Along with his young son, Ji-ho, Woo-jin misses his wife Soo-a, who died after promising to return a year later with the rainy season. Miraculously, they reunite with Soo-a when the rainy season comes around, but she has no memory of her husband and son whom she dearly loved.
An aging actress is desperate to become a mother. In menopause and too controversial for legal adoption, she decides to illegally adopt from a pregnant teenager while publicly faking pregnancy. The ensuing media circus at first revitalizes her career but then threatens to grow out of control and destroy everything she cares about.
A serial killer tries to live peacefully with his son in a countryside village. But a girl who knows he's a killer moves in. He decides he must kill her to protect his new life.
Eun-a, who was living a happy life with her family, loses everything to a psychopath serial killer. After the tragic incident, she gathers four people with different talents who are in need of organ transplants to achieve her revenge.
A teenager is abducted and forced to tell the scariest tales she knows, leading to this anthology of four stories: a brother and sister are under siege while home alone; a killer escapes police custody mid-flight; step-sisters take plastic surgery to nightmarishly macabre extremes; a paramedic and mother standoff over her infected young daughter.
Based on actual events that took place at Gwangju Inhwa School for the hearing-impaired, where young deaf students were the victims of repeated sexual assaults by faculty members over a period of five years in the early 2000s.