ハレー捕獲計画の最終フェーズで事故に見舞われたトータチスは被害を受け、地球へ衝突する軌道を描き始めた。衝突の確立、82%。事故の瞬間、牛若は作業艇操縦免許試験中だった。そんな中、トータチス管制室に地球からの最後通告が届く。二次災害の恐れがあるため救援シャトルは出せない。数時間以内に脱出せよ、と…。
After an accident during the final phase of the Halley capture programme, Totatis suffered damage and began a collision trajectory towards Earth. Probability of collision, 82%. At the moment of the accident, Ushiwaka was in the middle of his workboat piloting licence examination. Meanwhile, an ultimatum from Earth arrives at the Totalis control room. No rescue shuttle can be sent out due to the threat of a secondary disaster. Escape within a few hours...