就读于纽约某大学的贾丝廷（萝兰萨·伊佐 Lorenza Izzo 饰）是一名联合国官员的女儿，她原本优哉游哉，嬉笑怒骂，生活平淡无奇。偶然的机会，她受邀加入了由亚历杭德罗（艾瑞尔·利维 Ariel Levy 饰）领军的环保示威组织ACT。该组织近期正打算前往位于秘鲁亚马逊丛林的某个小村落，不久前该地发现丰富的天然气资源，而大型公司图谋砍伐丛林、驱逐村民，甚至不惜用到屠杀的手段。为了抗议这种不人道的暴行，ACT的各位经过周密规划启程来到秘鲁。这群在最发达的国家过惯了养尊处优生活的年轻人，带着半度假的心情来到了异国他乡。 　　在经历了严峻的生死考验后，他们的抗议终于取得成功。谁知返程途中飞机出现故障坠毁，幸存者置身丛林中，而神秘的食人族正悄然向他们靠近……In New York, college student Justine joins a group of activists led by Alejandro and travels to Peru to protest against a timber industry that is destroying the Amazon rain forest. When the group is returning to civilization, the plane blows-up and crashes into the forest. Soon the survivors discover that they are not alone and they are abducted by a tribe of cannibals.