Laura's life is turned upside down when she is attacked by a shark while celebrating her 18th birthday. She's rescued by Bruce, a handsome young man just returned home from college. As she recovers, he becomes a local hero for his bravery. As the dust settles, Bruce seems smitten with his damsel in distress, but Laura is not ready to move past the boyfriend she lost in the attack.

On an idyllic day at the beach, Alison and her younger brother, Kevin, are saved from a vicious shark attack by the brooding and mysterious Daniel. Welcomed into their home, Alison soon discovers that her mysterious savior and protector has a dark and disturbing past.

Killer and shark-obsessive Bruce Kane is in hiding, masquerading as a shark researcher in the isolated lighthouse where high school student Courtney and her friends have decided to go swimming. After a fling, Courtney can’t shake Bruce from her life and has to take matters into her own hands when his obsession turns deadly.