Isabel Wright analyses the dreams of others for sleep research. It's satisfying, lucrative work, but it can be emotionally draining at times - especially when one of her subjects, known only as 'Client Number Two,' captures her imagination through his compelling dream narratives. His real name is Ellis Cutler, a loner who is more than he seems. And a waking nightmare begins. For a suspicious hit-and-run leads them into a perilous web of passion, betrayal and murder; forcing them to walk the razor-thin line between dreams and reality.