A boss of a toy corporation, Chenggong Li, tries to head back to Chan Sar to celebrate the Chinese New Year with his family. However, plans don't go as smoothly after he crosses paths with a stranger, Geng Niu.
During China's Tang dynasty the emperor has taken the princess of a neighboring province as his wife. She has borne him two sons and raised his eldest. Now his control over his dominion is complete, including the royal family itself.