~warning, a mortal instruments fanfiction ~ Sebastian(jonathan, whatever) Morgenstern is returning, and a new threat is arising. a suspicious girl has come to the institute in New York, and nobody knows who she is...she keeps to herself and is most often reading about shadow hunter history. the mayris and Robert are fine with her being there, but Clary, Jace, Isabelle, Alec and Simon aren't so sure about her. What will happen? Who is this mysterious girl? will Sebastian prevail this time? Read this to find out.