When he woke up, Lin Cheng found that he had traveled to a world where monsters were rampant, and had a mysterious connection with an Ultraman Galaxy statue that was worshiped by the villagers as a mountain god. When the monsters attacked and the villagers knelt down to pray, Lin Cheng was forced to transform into Ultraman Galaxy and became the legendary "God of War in the Back Mountain". On one side were the fanatical villagers who worshiped him as a god, and on the other side were the official organizations who came to investigate the "miraculous". Under double pressure, Lin Cheng could only fight monsters secretly and maintain his precarious secret.
