An off-the-wall comedy set in the world of the Bystanders - invisible immortals who watch over their human subjects and intervene in (or interfere with) their lives.

幽灵们被艾莉森体贴的慷慨感动了，于是决定给她一份特别的圣诞礼物作为回报——但艾莉森几小时后就要回来了，他们能及时完成这个雄心勃勃的计划吗