In the wake of his wife's death, Simon tries to make a fresh start by moving with his son Camille to Dubai. In that extraordinary city, Camille manages to forget, let go, and begin a new life. But for Simon, it's not so easy. He begins to feel an alarming presence in their home – someone quietly, patiently lurking in the shadows. Could it really be his double? Simon slowly succumbs to anxiety and thinks he is going mad. But he's not the only one to feel threatened this way. It seems to be happening to all people in Dubai who refuse to cut off all ties to their past.