A heart-thumping, edge-of-your-seat adventure comes to light in this exhilarating family film based on the best-selling book. For centuries, the residents of the underground City of Ember have flourished in an amazing world of glittering lights and quiet contentment. But when the City's massive power generator begins to fail, the street lamps start to fade - along with the hopes and dreams of the townspeople. Now it's up to two courageous teenagers Lina (Saoirse Ronan, Atonement ) and Doon (Harry Treadaway, Control) to follow a trail of clues left by the ancient Builders and find a way out of Ember before their world is plunged into darkness forever!