Camden Pike has been grief-stricken since his girlfriend, Viv, died. He’d give anything for just one more glimpse of her. But when Cam visits the site of Viv’s deadly car accident, he sees an apparition: her name is Nina, and she’s from a parallel world. When Cam follows her there and makes an unbelievable discovery, it’s as if all his wildest dreams have come true. But things are very different in this other world. . . . Nina is hiding a secret, and the window between the worlds is shrinking every day. As Cam comes to terms with the truth, he’s forced to make a choice that will change his life forever.