Off the coast of Los Angeles, a new population of super makos challenge great whites for their hunting territories. Dr. Craig O'Connell, Fo Zayed, and Kendyl Berna deploy state-of-the-art technology to reveal their dominance and unveil the mysteries that have transformed these makos into some of the fiercest predators in the oceans.

Dr. Tristan Guttridge believes Hammerhead sharks can reach monster sizes by hunting other species of sharks. The only way to prove his theory is to obtain tissue samples from some of the largest sharks on the planet.