After surviving a shark attack in which her father and sister died, Lexy's life becomes a living nightmare. But with the help of a counsellor, she delves deeper into the haunting flashbacks and gradually uncovers the truth of what happened that fateful night.

Corey and his daughter, Sally, decide to go on a summer break with friends, Diane, Christy, Toby and Benny. Little do they know, Corey's past is going to catch up to him.