Suma Suzume, the newest dino-keeper at the struggling Enoshima Dinoland has survived her three-month orientation period, and now she must work alongside each of the department heads to find her permanent place on the staff. First, Suma goes to work with Igarashi Keisuke to help him take care of the park's pachycephalosaurus and stegosaurs. One of the dinosaurs is getting injured and no one knows why, so Suma begins to investigate. Later, Igarashi struggles with his position at Blue World.