A girl is possessed by a dark and mysterious entity. She will fight with all the elements at her disposal to get rid of it. Neither her mother, nor traditional medicine, nor a supposed expert in exorcisms, will be able to make the demon disappear, until a nun gets involved in the case and sows a doubt more terrible than the possession itself.

讲述了三位老人为了一句承诺，走上了赴异地博物馆送手稿的路程，一路艰辛、意外频出，但仍然为故友了却了遗愿的故事。
为了完成好友的临终遗愿，三个耄耋之年的老人踏上了一场有趣的旅程…