In order to put a stop, once and for all, to the Animal Kingdom's perfidious plan, former classmates, Dr. Charles and Jason Diggs lead a heroic effort to a hidden location somewhere among the African islands! Hot on their trail, Jake, Louis, and the others find themselves plunged into peril with horde of hungry hammerheads for company! With feral fury closing in on all sides, it's survival or doom, but what will be the outcome of this UNDERWATER ONSLAUGHT?