Cage plays Seth, a restless angel on duty in Los Angeles, who encounters Dr. Maggie Rice (Ryan), a pragmatic heart surgeon whose sense of control is deeply shaken by losing a patient on her table for no apparent reason. Although Seth is there to aid the dying man, he is immediately drawn to Maggie and wants to help her overcome her crisis of confidence. In the process, he falls in love with her and longs for the sensory world he has observed but cannot experience.