In the high-tech amusement park Fantasien, security guard Takeshi Saito deals with the fallout from damaging a guidance display during his shift. The mishap brings him and colleague Tamami before supervisor Ms. Amano for a tense discussion about the incident and its implications. Meanwhile, technician Makoto Kashiwara arrives to handle the repairs, only to encounter an unsettling discovery that draws the team deeper into uncertainty and peril.