The services of shark killer Chase Walker have been engaged by his brother Jake, the head of a South African crime ring. The gig: kill the black-finned shark that swallowed a valuable diamond during a gang transaction. Enlisted to keep an eye on Chase is Jake's girlfriend, Jasmine. But Chase and Jasmine's relationship deepens with the threats from a rival crime boss: bring the diamond to him or die. Soon, loyalties will shift, and Chase will learn that trusting in blood is for suckers.