Young Emperor is in danger. The minister inform to Yuan Shao to save the emperor, but Yuan Shao ignore and concentrate for his army loaded for the next war.
Cao Cao heard the news from Yuan Shao that he ignore to save the emperor. Cao Cao hence fort with his armada to save the emperor from the ruins. With his plans success, Cao Cao pay his tribute to convince his loyalty to the emperor and Cao Cao is able to gain control over the Han dynasty.