The enigmatic Professor Zorndyke has engineered several species of humanoid animals in a plan to eradicate humanity from the planet, an act that will save Earth from the cancerous expansion and warlike nature of mankind. While protecting Tokyo from an attack, the captain of Blue Submarine No. 6, the most elite marine vehicle of the international Blue Fleet forces, implores his old friend Hayami to join the battle. Battling his own demons, Hayami reluctantly agrees. But as he fights, he also notices the pain and anguish behind the eyes of his ostensible enemy. Encountering one of Zorndyke's creatures directly, Hayami begins to question who the real oppressors are. Trapped between a sympathy for Zorndyke's motives and abhorrence of Zorndyke's methods, Hayami attempts to convince each side to stop warring before they destroy each other. However, in maintaining peace, Hayami is forced to destroy.moreless