en Cuevana 3. After a hundred-year sandstorm, Zhang San, a young soldier, meets Li Si, an enemy aristocrat in the desolate desert. The kind-hearted Zhang San only wants to take the money he has saved and go home to live a simple life with his wife and children, while the sophisticated Li Si has a more ambitious vision. No matter their origins or destinations, the two people are very different from each other, but in order to escape, they still have to rely on each other and face the wild sands of the desert....