Signing a piece of paper, is a lot different then Hazel Monroe thought it'd be. Whether or not it be graffiti, or art in class, or in her own notebooks at home, Hazel always signs. With H.M. on graffiti, so she doesn't get caught. When the Devil decides to mess with the human realm, and his slave, Oliver the Demon, for disobeying him. When Hazel draws on the piece of paper, and she signs it, she makes an accidental deal with the Devil; and this deal is one she may regret.