Screen Gems Plays “Mortal Instruments”

Screen Gems has scored the film rights to Cassandra Clare’s supernatural novel series “The Mortal Instruments” reports Variety.

The first installment, “City of Bones”, follows a ordinary teenage girl who learns she is the descendent of the Shadowhunters, a clan of demon hunters.

Jessica Postigo will adapt the script while Robert Kulzer, Michael Lynne and Robert Shaye will produce. Constantin Film and Unique Features are also onboard to help make the project.