"The Mortal Instruments: City of Bones" Movie Plans

Screen Gems is developing bestselling book series "The Mortal Instruments" into a possible film franchise, starting with the series' first installment City of Bones. Screen Gems will team with Constantin Film and Unique Features on the project.

Synopsis:
Suddenly able to see demons and the Shadowhunters who are dedicated to returning them to their own dimension, fifteen-year-old Clary Fray is drawn into this bizarre world when her mother disappears and Clary herself is almost killed by a monster.