It's been a year since Clary Fray moved out of the Institute after she found out that Jace Lightwood was cheating on her with Alana Moore. Clary has not fully moved on yet, but neither has Jace. One day Clary and her partner, Alex Montgomery, are called in to investigate the institute because strange things have been happening. Can Clary and Jace hide their feelings, and if not, will Jace's girlfriend, Alana, put a stop to it? Cast: Lily Collins as Clary Fray Jamie Campbell Bower as Jace Lightwood Alex Pettyfer as Alex Montgomery Cam Gigandet as Sebastian Morgenstern Bella Thorne as Alana Moore Jemima West as Isabelle Lightwood Kevin Zegers as Alec Lightwood Robert Sheehan as Simon Lewis Godfrey Gao as Magnus Bane