10 years ago, François Nolan and his brother have been betrayed by one of their accomplices after a break-in. During the fight with the police, Francois's brother was killed, and a cop disfigured by François. Now, François is back for revenge. As nobody knows who the traitor was, the former accomplices lose their head. The disfigured cop is also waiting for the right moment to take his revenge on François.

十二岁的法国男孩皮埃罗（Patrick de Bardine 饰）和妹妹尼克尔（Sylviane Rozenberg 饰）在偶然之中得到了一支从中国远渡重洋漂泊而来的风筝，两人和他们的小伙伴们将这支风筝视为珍宝。在一家古董店里，皮埃罗得知风筝上的形象名叫孙悟空。并且发现了风筝上拴着的信是来自一个名叫宋小清的中国男孩。
皮埃罗十分想和宋小清成为朋友，但是倍博特（Gérard Szymanski 饰）却抢走了写有宋小清地址的信件。焦急万分的皮埃罗于是向孙悟空祈愿，哪知道孙悟空竟然从风筝上活生生的走了下来，不仅如此，它还满足了皮埃罗的愿望，将皮埃罗和尼克尔送到了中国。兄妹两人在这个神秘的东方古国里展开了一段奇幻冒险。