Reports of two legendary, very large great hammerheads - Big Moe in the Florida Keys and Sunken in Andros, Bahamas - have Dr. Tristan Guttridge and Andy Casagrande wondering if there is a clan of monster hammerheads who share the same DNA.

Something shocking is happening in the abyss around Guadalupe Island. Photos of great whites with strange scars believed to be from giant squids have surfaced. Dr. Tristan Guttridge leads a mission to get a glimpse into the battles between the two beasts.