Synopsis: She Is Mankind's Last Hope.
Shiri Appleby (Roswell) stars as the immortal Lilith, a mythological demon living as a young woman with no memory of her dark past. When a rampaging creature unleashes a biblical plague, a secret society called The Faith assigns its chief agent, William Shaw (Richard Burgi, Desperate Housewives), to recruit Lilith to become humanity's greatest protector. To save the world, Lilith must master her supernatural power, known as Darklight. A new action heroine is born!