It's 1981 and the girls of Alpha Gamma Theta sorority are having a party. As the new pledges arrive, so does an uninvited guest. Little do the sisters know someone is watching them in the shadows. As the girls shower, study, eat and sleep the stalker studies the girls. One by one he finds the girls at their most vulnerable and murders them. The police hunt for the missing girls and their killer, but will they find them in time? Or will the girls be forced to fight for their lives..

Two young women, Elizabeth and Taylor, travel to their father's summer home on a remote island for a vacation getaway. As they travel deeper into the island, a nightmare begins to unfold. An unmarked white van will not leave them be, as they begin to sink deeper into terror. It becomes clear to the women they are not welcome as a group of masked killers begin to torment, torture, and hack them to bits. What secrets does this island hold and what lengths will they go to preserve them?