A young high school student must escape a labyrinthos nightmare after waking up from a horrible car crash, being chased by a killer and with only a single friend to help her navigate her way through.
Ramoon High Schol was taking a sightseeing school trip when the bus crashed into the guardrail. When Min Gye-hee opens her eyes within the broken bus, she comes to her senses and looks around, soon finding out that no one is aboard, concluding that she was abandoned by her friends. Stepping outside for help, Gye-hee passes into a dark area, finds an unlocked iron door and steps into it. Suddenly, a maze of tall white walls against a red sky appear and Gye-hee soon realizes she is trapped in a strange maze. As she gets on her way to the exit and to find her class- mates, Gye-hee discovers the bodies of her friends and realizes they’ve been killed by a puppet killer. In order to escape fear, Gye-hee tries to convince herself that everything is a dream. However, it is reality for Gye-hee to escape the maze. And in order to get out of the maze, she forms an alliance with the puppet killer who killed her friends.
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