本片深入研究了人性——也许是我们动物性冲动的进化。雨果岛是菲律宾群岛中一个被上帝遗弃的岛屿，在这里只有很少的好事发生：日本占领者在二战中建立了一个强迫妓女的营地，现在矿工们为了微薄的收入在泥泞中拼搏。其中三个人于是开始寻找更好的生活。但在旅途中他们发现，人类的历史就是一部暴力的谱系。片名指的是动物世界中我们最亲密的表亲之一黑猩猩的动物学名称。

　　Based on a true story. 1996, open sea. During his shift on a transatlantic ship’s deck, Joel, a religious Filipino sailor, discovers Dumitru, a Romanian stowaway hidden between some containers. If he is spotted by the Taiwanese officers running the vessel, Dumitru is at risk to be thrown overboard. Joel decides to hide him, as a sign of his gratitude towards God. Soon, a dangerous cat and mouse game begins. When his crew, his own friends, even God itself start to turn their backs on him, Joel learns that he has to face his cruel destiny alone.