A chubby high school student participatee in a sports competition to win a cash prize for sex change surgery.

Bo-ra and her brother, Tae-hun, lose their grandmother they have been living with since their parents’ death. But soon after he gets shocking news that Bo-ra has been kidnapped. The kidnappers plan to use Bo-ra in an online porno and threaten to post it on the web by 10 pm on the following day. Tae-hun embarks on an urgent mission to find his sister and get her back from the kidnappers!

Six people from different backgrounds find themselves fighting for their lives when they are swept up into a fantasy adventure in a theme park, where the dangers are real, the supernatural is the norm, and escape is next to impossible. They must pool their resources and skills in order to survive the jungle setting, if they are ever to return to their own world.