Being a nobody isn't Duncan Alexander's life goal, but it's worked for him. He has a nondescript job, a few good friends, and overall he's content. That's until one fateful trip to San Jose, California, where he is "Called" to meet the mysterious Juliet de Exter. Juliet is a beautiful, wealthy, powerful Immortal who is undertaking The Calling-a search for a human to join her world of Immortals. Inexplicably, Duncan's calling is more dangerous than any of the Immortals, even Juliet, ever thought it would be.

There is more to this nobody, this only child of long-deceased parents, than anyone thought. When Duncan experiences uncontrollable dreams of people he doesn't know and places he hasn't been, Juliet and the other Immortals worry. Soon, his visions point to a coven of long-dead witches. The dreams also lead Duncan to his one true love. How will Duncan navigate a forbidden romance with an outcast Immortal? How will he and the others keep the balance between the Light and Dark, survive vicious attacks, and keep the humans from learning who they truly are? More importantly, who is this implacable foe Duncan keeps seeing in his dreams?