由于暴风雪的袭击，机场取消了所有的航班，兄妹斯潘塞（戴连·克里斯托福 Dyllan Christopher 饰）和凯瑟琳（Dominique Saldana 饰）被滞留在了机场内。在航空术语里，斯潘塞和凯瑟琳被称为“UM”，即“无人陪伴的未成年人”，因此，他们被送往了机场专门设置的“UM看护中心”。在看护中心里，有着许多和兄妹两情况相同的孩子，在那里，兄妹两认识了白富美格蕾丝（Gina Mantegna 饰），假小子多娜（奎恩·谢法德 Quinn Shephard 饰），天才查理（泰勒·詹姆斯·威廉姆 Tyler James Williams 饰）和宅男蒂莫西（布莱特·凯利 Brett Kelly 饰）。由于受不了看护中心内的混乱和吵闹，斯潘塞兄妹和他们的四个小伙伴们决定出逃。

Since ancient times, a tribe on the African continent has been prophesying that a white boy will arrive to be their god the Son of the Moon. David, a 12-year-old orphan who lives in Europe, learns about the prophecy and believes that he is the chosen child and that destiny must be fulfilled at any cost. Before David can fulfill his prophecy he must escape the heavily guarded scientific organization that has adopted him. David's strange behavior and the fact that he possesses extrasensory perception, has attracted the attention of an organization researching so-called prodigious beings in the occult tradition. David soon discovers that their goal is to channel the moon's energy into a child yet to be born, robbing him of his rightful place as the Son of the Moon. Two women, Victoria, a member of the center, and Georgina, the future mother of the supposed moonchild, will help David fulfill his destiny. After several attempts David manages to escape the center and undergoes a series of ne