Team Grendel is back and this time they have double the monster sharks and double the trouble as a drug cartel and the Mexican Navy are both ready to blow the Beowulf III out of the water! When a top secret, undercover mission goes wrong for one of the company's operatives, Ballantine must call on Team Grendel and the crew of the Beowulf III to take down a drug lord and stop Southern California from being overrun by a new substance more addictive and deadly than any drug on the planet. But things are never that simple as Team Grendel find they are under siege by cloned Megalodon sharks that developed a taste for the new substance, sending the monsters on a drug fueled rampage of bloody violence along the Baja Mexico coastline! Blood is in the water and the feeding frenzy is on!