The film tells the story of Samantha (Valentina Bailey) who was kidnapped by a giant rabbit on her way to school. 15 years later, she is shocked to find she is still alive in the hospital. Dr. Green is by her side, trying to help her remember. In Samantha's memories, she is trapped in an underground prison where someone forces her to play games, solve riddles and puzzles, and there are rewards and punishments. At the same time, a talented former investigator who is about to die is also investigating this mysterious incident.