影片主要讲述四个可能成为继兄弟姐妹的孩子，在旅行中发现了一个叫Psammead的神奇生物的故事。...

Storyline　　When Holloman Academy, a posh New England private school, is visited by a demonic headmaster, a humble janitor, who is secretly the guardian of the school, teams up with the headmaster...