A misfit group of unwitting high school students stumble upon a cursed object, an ancient Aztec Death Whistle. They discover that blowing the whistle and the terrifying sound it emits will summon their future deaths to hunt them down.

One year after a Black Friday tragedy, a ruthless killer stalks Plymouth, Massachusetts, to exact bloody revenge — one complicit resident at a time.

After a violent mugging, soon-to-be parents Robin and Ben flee the city for the idyllic countryside, a perfect place to raise their child. Unfortunately their disturbingly attentive neighbors have their own agenda for Robin and her family.