The young Sun Jian mistakenly entered the world of Journey to the West, and after finding himself in the body of Sun Wukong, he had to bear the fate of accompanying Tang San to the West to search for scriptures. Tang Sanzang, who seemed selfish and sinister, could still be upright and upright in the moment of life and death. Zhu Bajie, who is possessed by greed, relies on a tight spell to suppress his greedy and murderous temperament, but he is still infatuated with Chang'e. The seemingly dull Sha Monk has a secret connection with the devil world. Sun Jian, who has lost all his demonic power, although he is the Monkey King, initially fights against the five scum. Heading westward, growing all the way. After the four became gods, they each lost their restraints. At this time, the Supreme Demon Realm, sealed in the golden cudgel, opened the seal with the help of Sha Monk, gathered the demons, and launched an attack on the heaven. The Tathagata was defeated, the heaven was destroyed, and Huaguo Mountain became the last base of the gods. Demons, demons, gods, humans, in the catastrophe of the three realms, Sun Jian turned the tide, broke through the limitations of race, and became the Monkey King who unified the three realms!