Can you imagine sitting in class one day with your best friends. Sudden screams are heard from the hallway. Everyone runs to the door to see what is happening and you see your friend being torn to shreds by someone...no...something. You turn to face your friends, knowing EXACTLY what's going on. You have joked about this day for years with them and the "joke" has suddenly become real. What would you do? Would you freeze or would you run? Follow these six teenagers in their fight for their lives.