Empire of the Sharks

Empire of the Sharks (2018) is a science fiction, action, horror directed by Mark Atkins rated 3.7/10.

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.