A beautiful island is home to thousands of species of aquatic life. Now there is a new species: the 5-Headed Shark is all heads and teeth. Shaped like a demented starfish, this monster terrorizes the open ocean before invading the beaches of Puerto Rico, endangering the once peaceful island paradise.

The search for the empress's daughter reunites two long lost brothers who grew up on opposite sides of a war and now must choose between family bonds and political alliances.