Kate Mathieson (Halle Berry) is a diver who is deeply drawn to close encounters with the magnificent White Sharks who rule the primal predator shore of isolated Guadalupe isl&. When her husband chooses ambition over his wifes safety in a split second encounter with the jaws of death, her marriage nearly breaks apart. A year later, a monsoon season voyage back to the same island becomes an escalating series of terrifying underwater confrontations & gut-wrenching emotional challenge