Zorndyke, a respected scientist, has created a new living being that thrives on oceans and seeks to destroy humans, and it's up to Blue Submarine No. 6 and the Blue fleet to stop him.
The once famous and well respected scientist Zorndyke has bred a new genre of living being, one that thrives on the oceans and lives to destroy humans. Zorndyke believes it is time that the humans were relieved of their rule of the earth. It is up to Blue Submarine No. 6 and the rest of the Blue fleet to put an end to Zorndyke's madness and creations.
In the future, the rising temperature of the Earth has melted the polar ice caps. As a result, the planet's last remaining land masses are in danger of sinking into the ocea. As if humanity didn't have enough problems, an army of ocean-dwelling creatures led by the scientist Zorndyke have seemingly declared war on mankind. Humanity's last hopes rest with the state-of-the-art vessel, Blue Submarine 6 and her crew. Can Tetsu ahd Mayumi stop Zorndyke's mutant army and save what remains of humanity?