IT'S A SHARK-EAT-SHARK WORLD.
Everywhere Gray and his friend Barkley swim, fish are whispering of a growing threat. A shark named Finnivus will eat anything - or anyone - until he controls the entire ocean.
Finnivus has an armada of vicious battle sharks to help him expand his empire - and only Gary can save the Big Blue. But first he must train with the wise and mysterious Takiza: the fighting fish who will teach Gary how to be a great warrior. Can Gray learn to believe in himself - in time for the epic battle that's coming?
