They call them the wolves of the sea. From marine parks to the deepest oceans, the world's killer whale population has turned against man and beast alike. Orca show trainers are ripped to pieces before stunned audiences. Ships are capsized. Oil rigs are bashed without mercy. What has driven the apex predators stark raving mad? Chet Clarke has dedicated his life to preserving the health and dignity of orcas in captivity. Along with orca trainer Rosario Benitez, he embarks on a whirlwind journey across the globe to witness unconscionable carnage and uncover the mystery for the sudden outbreak of mania. Is this the start of a catastrophic pandemic? Or do the clues lead to an enigmatic experiment in the wilds of Alaska and shadow operations in a Russian ghost town? Time is running out faster than the lives of those in the path of the orcas.