In a world where resources are limited, each shift of workers is placed in stasis during their off hours. A man and woman from different shifts fall in love and try to circumvent the system.

Anne Reynolds, estranged from her mother, haunted by her dead father, and terrified of being close to anyone, is attacked, and wakes up on the operating table a changed woman. Learning of a Siamese twin sister that was sacrificed so that she could live, the personalty of the dead sister begins to take over.