For four castaway teens, summertime detainment mean be delegate to make clean their high school after a hideous incident. But they are not entirely; a macabre pack wear guise of The 4 horseman Of The Apocalypse - dearth, plague, War and decease - has lock them indoors and is hunt them through the school’s harry hallway. As the four student conflict to last, each must face the supernatural echo of past injury they have got fight to bury - and may be condemn to live over.