Complex sentence: Hayate, accompanied by a canine partner, sets out on four missions to dismantle the bombs and destroy the terrorists to avenge Kato, and eventually to defeat the mastermind behind the crisis before she can hijack a nuclear-weaponized space shuttle.
Split into simpler sentences: Hayate, accompanied by a canine partner, sets out on four missions to dismantle the bombs and destroy the terrorists to avenge Kato. The game ends in a final fight against the mastermind behind the crisis before she can hijack a nuclear-weaponized space shuttle.