Police chief Brody must protect the citizens of Amity after a second monstrous shark begins terrorizing the waters.

A hostile youngster who will stop at nothing to break up his mother's marriage is suspected of homicide, and his stepfather fears that he may be the boy's next victim.

A family tribe of Cro-Magnons faces hardships, such as hunger, animal attacks, Neanderthal attacks, and death from injuries as they migrate to find a more bountiful land to live on.