You Euna

When the app is launched, a ghost appears. Developed by four young adults, the app becomes the centerpiece of a livestream where they venture into a supposedly haunted mountain to prove its authenticity—only to meet a grim fate. This chilling event kicks off Unlock, a horror anthology composed of seven short episodes. The series begins with App the horror, followed by The Night Bus, which unfolds on a long-distance bus; Ominous House, which features a ghost-conjuring ritual; The Collector, about the brutal fate of a man who watches an illegal video; Snuff Film, revolving around a vengeful director whose footage was censored; Sweat Home, where a woman's return to her family turns into a nightmare; Haunt, featuring a man paralyzed from head to toe who begins to see ghosts; and Dawn Call, about a group tasked with cleaning up a murder scene in the dead of night.

A group of close friends who attend a private school all have a debilitating crush on the sunny star pupil, Sun-ah. The only member of the group who claims not to is Jin-woo, but he ends up loving her as well.

In the winter following her college entrance exams, 19-year-old Yurim wanders the streets with her best friend Seonmi, who ran away from her broken home.

Two girls with the same name meet at a swimming pool and quickly become best friends. Yet, the fear of being alone again looms over them.

On the day of SAT, which continued to take place even in the era of zombies, high school girls drive themselves to the place of examination.

A mother finds a cigarette in her daughter’s bag. Even though her mother starts to bombard her with questions, the daughter keeps her mouth shut. Then the father returns home from work and begins to suspect the cigarette is not just a cigarette, after all.