In a Southern province in Thailand, a young boy lives with his uncle and a monkey called Kapi. When the uncle dies, the boy is threatened by a real estate tycoon who wants to buy their land and turn it into a resort. The boy has to train Kapi to enter a coconut-picking competition, with their land at stake.

纯朴善良的青年阿锦（托尼·贾 Tony Jaa 饰）自幼生长在泰国一个原始丛林中，村民们日出而作，日落而息，过着平和安静的生活。他们以大象作为交通工具和助手，人与动物间建立了深厚的友情。阿锦的父亲曾是一名皇家护卫，他在闲暇之余教儿子学习泰拳，好有朝一日进宫保卫国王。