Fiona's father has been killed in Florida, but she doesn't believe it was a suicide, and she learns that the prime suspect is a local drug kingpin with an army of mercenaries.

On a future earth where 98% of the surface is underwater, a Warlord who controls an army of sharks meets his match when he captures the daughter of a mysterious shark caller who must learn to marshal a supernatural ability if she is to free her people from the Warlord's dominion.