There is a savage in Tianmu Mountain, who is accompanied by a big orang-utan all day long. The little girl Xiao'er and her father are chased by the enemy. They brake into the dangerous mountain forest. and by chance Xiao'er is rescued by Shankui. In order to avenge she decides to learn from Shankui and enters Shankui’s life. They become friends and the orang-utan accepts there friendship. Shankui also becomes the target of Xiao'er's enemy and in order to protect Xiao'er, the confrontation between Shankui and the world power under the mountain begins...