耳熟能详的民间侠义故事。包拯(井淼)铁面无私,得罪庞太师,被项氏三雄行刺,幸被展昭(张翼)所救;展更因救永安公主有功,被赐以「御猫」雅号;怎知惹来陷空岛「五鼠」不满,「锦毛鼠」白玉堂(乔庄)与韩彰、徐庆、蒋平等四鼠大闹东京,盗去水晶香炉,此时花冲(罗烈)也暗至后宫奸杀宫女!宫庭发生命案,仁宗限包拯十日内破案,展昭直扑陷空岛,与五鼠恶斗!其后展昭发现奸杀宫女的是花冲,与五鼠前嫌尽释,更与丁月华(丁红)联手大战花冲,终将其刺毙!During the Song dynasty, after the upright prefect Bao Zheng executed Pang Yu for embezzlement, the grand tutor Pang Ji sent assassins to avenge his son's death. A chivalrous man, Zhan Zhao the "Southern Hero", saved Bao and was conferred the title "King Cat" by the emperor. This title invoked the jealousy and anger of Bai Yutang the "Brocade-Coated Rat" - as rats were considered cat food - who went to the capital Kaifeng (also known as Bianjing) to challenge Zhan.