The story of humanity between a dog and its owner. Based on a true story. In northwest China in the forest Tianshan rangers wielded ferocious German Shepherd Dogs to prevent theft of timber and prevent poaching.
Then a lazy dog inadvertently entered the life of Lao Zhu, a forest ranger, who adopted it by giving the name "Rambo", then a hard journey begins, Lao Zhu needs a train the animal to become read morea patrol dog. Quickly "Rambo" will become a good helper for Lao Zhu.