Convicted murderer John Marin is back! His one goal: to kill Jessica and Elizabeth Wakefield. Using his cunning and ingenuity, he has escaped from jail and is stalking the California coast in search of his prey.

Thinking Marin is safely behind bars, Ned Wakefield takes his family on an island vacation. But little does he know that while his daughters are swimming in the hotel pool, John Marin is plotting his final revenge. Will Ned get to the twins before it's too late? Or will this vacation be Jessica and Elizabeth's last?