Liam Grove, from modern times, travels to the Great Zhou Dynasty. He meets Princess Pearl on a blind date, and she falls in love. Wumaha, prince of the Northern Barbarian Tribes, plots against the Great Zhou Dynasty. Liam Grove defeats Wumaha with strategies, drawing blueprints for muskets and artillery. He defeats the Northern Barbarian army with firearms and captures Wumaha. Emperor Kangwen marries Princess Pearl to Liam Grove, ennobling him as the Prince of Nanyang.