A movie about a group of adventurers who embark on a journey through an imaginary island in the Indian Ocean. The villains, known as "White Snake," kidnap two individuals - Prince Sunnokeshi from the Buri Buri Kingdom and Shinnosuke, who resembles him closely. White Snake seeks to obtain the hidden treasure of the kingdom, which is kept in a golden palace underground. Hiroshi and Misae, parents of Shinnosuke, join forces with Lulu, the major of the palace guard, to rescue their son and the prince from White Snake's clutches.