An ex-felon is shocked to see just how much the world has changed when he is released from prison for good behavior after a 15-year stint and returns to his newly gentrified Brooklyn neighborhood.

Brad and Dusty must deal with their intrusive fathers during the holidays.

While searching for a way out of the woods, a group of lost friends stumble upon Camp Hiawatha and take up with the teens who are bunking there. But the party's over when they discover that this camp is literally stuck in a time warp -- 1981, to be exact -- and that they're living the same horrible day over and over. Can they escape the wrath of a killer who's silently stalking the campers and their terrified counselors?

The Battle of the Brains competition has come to New York, including students from Rocktown High, the site of a massacre one year before. Ethan Carver has also come to the city and is continuing his murderous rampage. one by one, the contestants fall prey to Ethan as he slices his way through the Big Apple. As the students and those in charge of the competition disappear, one young couple must find the courage to face off against Ethan in his bloodiest massacre yet.