Lin Yu accidentally travels through time to become a lecturer, yet awakens the Super Teacher System. Relying on true talent and a sincere heart, he transforms boring mathematics and AI knowledge into the power to protect students and change destinies. From classroom defense to stock prediction, from probabilistic thinking to artificial intelligence, he ignites the fire of hope for Tier-2 university students, and even attracts national attention. Facing threats and temptations, he stands firm by the podium, ultimately establishing the country's first undergraduate AI college to nurture the future pillars of the nation.