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。

Jack is engaged to find a missing person, only to be later framed for his murder. Jack is quickly caught up in a complex web of powerful vested interests that stretches from his home town of Fitzroy to a remote village in the Philippines.