Lin Yu, an ordinary programmer, is unexpectedly swept into a mysterious world of code while pulling an all-nighter. Numbers and symbols flow together all around him, but the world is under attack by a dark force. Guided by a guardian, Lin Yu discovers that he can turn his thoughts into the power of code. Drawing on what he has learned, he builds defensive shields to hold back the black fog, then wields a code sword to battle the dark monsters. As the fighting goes on, he gradually discovers the dark force's weaknesses and manages to drive back the enemy, but Lin Yu knows this is only the beginning. In a world where code is power and danger lurks everywhere, he must keep exploring his potential and master more of code's secrets if he hopes to save the world of code and, in turn, protect reality. A thrilling adventure through code begins.
