The Buddhist realm has thirty-six heavens, twelve Vajras, and forty-eight Arhats, along with countless immortal deities and strange beasts left over from ancient times. Among them, the Vajra Sarira is renowned throughout the world. It is a supreme treasure that countless cultivators dream of obtaining. Legend has it that it once fell into the hands of a mighty being, but was later lost for various reasons. Its power is extraordinary: it can slay demons and subdue evil, and suppress wicked creatures of the demonic path. This arduous mission is to find that treasure. So Tang Xuanzang, Sun Wukong, Zhu Bajie, and Sha Seng are sent to the wilderness to search for it!