On the magic Summer's night of high school's end, Julie, Helen, Ray and Barry get into Barry's new Beamer and drive out to celebrate, their lives and hopes before them.But on the road they have a terrible accident; hit and kill a man. In the shock and panic that follows, they dump the body in the sea rather than reporting the accident.
	As the body sinks, the hand of the dead man breaks the surface in a last grasp at life, then disappears into the murky depths.The four realise they are now guilty of murder and swear to take the secret to their graves.

But now someone is stalking them, someone who knows who they are, knows what they did last Summer, and seeks revenge...