泰山（Harrison Chad 配音）年幼时和母亲卡拉（格伦·克洛斯 Glenn Close 配音）过着相依为命的生活，因为其人类的外表和特殊的身份，泰山遭到了同族人猿们的轻视和欺侮，只有塔克（Brenda Grate 配音）愿意当他的好朋友。在孤独之中泰山慢慢长大，他的内心十分期望能够获得人猿们的认可和肯定。 一场意外的发生让泰山意识到，自己永远也无法融入到族群之中，悲伤而又愤怒的他选择了离家出走，邂逅了离群索居的三只猩猩，在它们的身上，泰山终于感受到了被信任和信任他人的感觉。传说中，无人涉足的黄山之中居住着可怕的怪物，而在机缘巧合之下，这只神出鬼没的怪物和泰山相遇了。
Plot Summary:Set back when Tarzan was just a boy, this is the story of Tarzan's journey to self-discovery. When Tarzan begins to see that he is not like the other gorillas, his mother Kala assures him that these slight differences only make him stronger. But when these differences put Kala in danger, he decides everyone would be better off without him and runs away. He then finds himself in a dark desolate land called Dark Mountain where he meets a new friend who helps him discover that even though he does not possess the talents of an ape, he has his own unique set of jungle skills that make him even more amazing than any other creature so that he can finally see who he truly is.
