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.

Shark expert Matt Dicken and Shark Week legend Dickie Chivell embark on a relentless quest to locate an elusive and colossal shark named Dutchess, who mysteriously vanished from Gansbaai, South Africa years ago.

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.