The Great White sharks off Surf Shore are the biggest, most dangerous in the world. This season, there are more than ever - aggressive and territorial - driven from surrounding hunting grounds by invading orcas.Great Whites have already attacked two boats. Six people have been killed.Now the orcas have followed the sharks to Surf Shore.Dr. Pete Nichols, Killer Whale specialist, senses the tempest. Shark-expert, Dr. Lauren Palmer believes she can stop it. For Kate Foster, it is theater - a spectacle to be exploited.But it will soon be life and death for them all.Because in a war of alpha-killers, humans are nothing but prey.