The Worst Day Ever

Storm Trinket lived a simple life. Get up, go to school, come home and repeat. Until one day she met Sam and Dean Winchester, who save her from a creature they don't know. Whatever the creature was killed her family for a reason and it wouldn't stop until it got what it wanted.. Storm.
Join the boys and Storm on their journey to find the creature after Storm.
Can they stop it or will Storm end up like everyone else?