In the Warring States Era, Lord Huan of the State of Qi sent forth troops to attack the State of Guzhu. An old minister named Guan Zhong, wily and experienced, accompanied the troops.
1. 春秋戰國時，齊桓公發兵伐孤竹國，隨軍出發有一個名叫管仲的大臣，足智多謀，知識淵博。