Awake, Greg Donner falls in love with the beautiful red-headed Ginny Winters, a woman with a mysterious past. Asleep, Greg dreams of pursuing Ginny through a terrifyingly deserted Chicago. Awake, Richard Iles is confined to a sanatorium in Kentucky and trapped in a loveless marriage to Ginny Winters. Asleep, Richard dreams he is Greg Donner. And when he next wakes up, he IS Greg Donner. But Ginny has gone.