《铁齿铜牙纪晓岚2》由“科场奇案”、“书魂”、“元宝迷踪”、“都院内外”和“情债风流”五个单元故事组成。本剧集中纪晓岚（张国立饰）与和珅（王刚饰）之间的对抗愈演愈烈。“科场奇案”中和珅虚以招贤纳士为名，实则聚敛钱财，纪晓岚怒揭科场弊病。“书魂”中乾隆（张铁林饰）准备修订 《四库全书》，命纪晓岚为总纂官，招来和珅妒忌，暗插颜如玉（马伊琍饰）在其身边，伺机报复。“元宝迷踪”围绕齐家私吞国库银两展开。“都院内外”的正邪之争，及“情债风流”的英雄难过美人关更是看点不断。

《铁齿铜牙纪晓岚3》由“好女争锋”、“假作真来真亦假”、“江湖江湖”、“辨奸计”和“胭脂红”五个单元故事组成。故事由神秘的江南女子陆琳琅（张庭饰）的出现而变得一波不平一波又起。陆姑娘深受乾隆（张铁林饰）宠爱，暂住纪晓岚（张国立饰）府上。然而和珅（王刚饰）早知陆姑娘身世， 为斩草除根，多番设计陷害陆姑娘。幸得纪晓岚解救，并一洗陆家冤情。然而这三个老男人却都陷入了儿女情长的重重矛盾中，本不平静的京城更是风波不断。

Xiao Changqing, Sun Qiancheng, and Chen Xincheng worked hard all their lives. After retirement, they finally got together and co-founded a warm retirement community. In the community, they solved problems that elderly people faced, including their own.