天使塞斯(尼古拉斯•凯奇 饰)拥有天使应该拥有的一切法力,还能永生。他的使命就是每天游荡在医院里将已去的人们带到另外一个世界,他却爱上了医院的医生梅姬(梅格•瑞恩 饰),为了能够和心爱的人在一起,塞斯放弃了天使的身份,放弃永生,坠入了凡间。然而,他却并不明白,等待他的,除了动人的爱情,还有弄人的命运。Seth is an angel who accompanies the spirits of the recently dead to the ever after. Seth has never been human and so has has never experienced touch or taste. When in the hospital however he comes across Dr. Maggie Rice, a brilliant young heart surgeon who is devoted to her profession and her patients. Seth has the power to let himself be seen but Maggie finds him far too mysterious. Seth also meets a patient, Nathaniel Messinger, who has news for him - he too was once an angel like Seth but chose to fall to Earth and become human. Seth makes a decision on his future, which does not turn out as he had expected.