Clary Fray (Lily Collins – Abduction) thinks she is just an ordinary teenager living in Brooklyn, but everything changes one night when in a downtown club she encounters the mysterious and charismatic Jace (Jamie Campbell Bower – The Twilight Saga), and witnesses a shocking murder. Drawn into a dark and dangerous new world where half-angel warriors battle to save humanity from demonic forces, Clary learns the extraordinary truth about her family and the part she must play to determine the fate of the world.