Ellen Brody finds herself reliving the horrors of the past when a mammoth shark kills her son. Grief-stricken, she travels to the Bahamas to be with her other son, but just as she starts to put her life back together, her granddaughter is attacked by an all-too-familiar great white shark. Determined to end the terror once and for all, Ellen sets out for a showdown to the death. © 1987 Universal Studios. All Rights Reserved.