A terrorist attack comes up on the way of Train 323 for Dai-Magellan. The Sirius platoon hurries to the spot and finds but a swarm of debris from the train. Manabu is petrified by the shock and cannot fulfill his responsibilities so Bulge condemns him to confinement. At that time of depression, Manabu meets Shô, a vending-machine creator and both get on well. But in the meanwhile terrorist blasts are still going on along the other railway lines...