馬力和收養家庭一同到古巴尋找他的父母，然而來到古巴後，他們懷疑馬力的父母已經不在那裡。

因為一隻雞（白雪）的指引，他們從古巴遠渡重洋到據說埋藏了很多寶藏的可可島。在島上，他們遇到來此尋寶的四名亡命之徒，一場搶奪藏寶圖的追逐就此展開。最後馬力一行人有沒有擺脫困境，找到傳說中的24箱寶物？馬力的父母是否真的在島上？久別重逢的場面有沒有發生？

這是B杜一系列懸疑探險小說中的第三部，內容曲折離奇、險象環生，讀完像經歷了一場奇妙之旅，適合各個年齡層的讀者閱讀。

Ma Li and his adoptive family travelled to Cuba to find his birth parents. From there, Snow White, their pet chicken, guided them across the sea to Cocos Island, known as the island of countless treasures. But first, they would have to overcome the four treasure-seeking desperadoes who would stop at nothing to possess their treasure map.

This is the third in a series of adventure novels by B Du. Suitable for all ages.