Lao Gang, Mule and Dong Yi are brothers who have been friends for decades. As the "big brother", Lao Gang has been "covering" for the vendors in the market, but the arrival of a new boss puts his position in jeopardy. Dong Yi and his wife Feng Lai were originally in a harmonious relationship, but Lao Gang and his mule mistakenly suspect Feng Lai of cheating on them, and they secretly investigate out of brotherly loyalty. Will Lao Gang be able to regain his dignity as the "No. 1 in the vegetable market"? Will Dong Yi and Feng Lai's marriage survive the test? The three veterans of the Northeast are united in a story of love and justice, laughter and tears.

该剧讲述了在民国时期，本是兽医的王老五（赵本山 上）意外成为伏虎县县长，上任后状况不断一路披荆斩棘的荒诞诙谐故事。剧中以小人物为主角，向观众展现了在民国时期小人物铸就的大时代。

　　李红旗要办婚礼了！本想婚礼一切从简，但彪悍热心的丈母娘（林晓杰 饰）坚持做主想大操大办，李红旗不得不飞往海角，落地后却得知飞机邻座女孩昕昕（马千壹 饰）被人贩子拐走。面对凶残狡猾的犯罪团伙，李红旗与当地办案风格迥异的警察孙彪（崔志佳 饰）强强联手，在婚期逼近的倒计时中和人贩子头目秦叶蓉（黄米依 饰）及卖鱼佬（伍允龙 饰）展开殊死搏斗。婚礼筹备笑料百出，办案追凶惊心动魄——红旗不倒，正义不休假！看李红旗如何罪犯、幸福两手抓。