该剧改编自猫腻同名畅销小说，承接上季，范闲（张若昀 饰）率领使团回归途中，二皇子以费介、范思辙以及滕家遗孤的安危来威胁范闲，逼他向自己俯首称臣，二人的矛盾就此激发。范闲所面对的抱月楼迷局，以及接踵而至的春闱危机，都是二皇子精心给范闲布下的陷阱。
范闲与林婉儿如愿大婚，紧接着，范闲接手内库，却发现内库负债累累。 范闲拒绝了庆余堂大掌柜的相助，决定靠自己的力量解决内库危机，范闲相约城中众商贾相聚苍山，以售卖“库债”为机筹集了两千多万银两，解决了内库空虚问题。
悬空寺上，庆帝遭遇三连刺杀，范闲出手相救却导致武功全废。危机四伏，压力陡增，范闲别无选择，他必须以这样的身体下江南，挑战庞大的势力与既定的游戏规则，以求彻底夺回内库。

Zhang Qing, a present-day college student in culture and history major wants to study in professor Ye's postgraduate class, so he decides to write a historical fiction to elaborate his perspective of analyzing ancient literature history with modern concept. In the fiction, Zhang himself acts as a young man Fan Xian with mysterious life who lives in a remote seaside town of Kingdom Qing in his childhood, under the help of a mysterious mentor and a blindfolded watchman. Fan goes to the capital when he grows up, where he experiences plenty of ordeal and temper. Fan persists in adhering the rule of justice and goodness and lives his own glorious life.

南宋时期，君臣昏聩，朝政日衰，大金国虎视眈眈，而蒙古雄鹰成吉思汗表面联宋伐金，暗地则蕴酿着一统江山的野心。从小在蒙古草原长大、受江南七怪教授武艺的忠良之后郭靖（胡歌 饰），18岁时遵师命南下，以践和杨康（袁弘 饰）比武的约定，还要找到杀父仇人报仇。路上他偶遇“东邪”黄药 师（黄秋生 饰）之女黄蓉（林依晨 饰），从此相伴闯荡江湖。到了江南郭靖一行方知当年杨铁心（翁家明 饰）之后杨康已经成了金国小王子，金国正在招揽天下能人高手效力，妄图一统江山。身负国仇家很的郭靖因心地纯良得到许多高人帮助和赏识，机缘巧合之下被丐帮帮主洪七公（梁家仁 饰）传授降龙十八掌，又在老顽童周伯通（李彧 饰）处习得九阴真经，渐渐由一个傻小子成长为一代大师……

Luo Bing is a senior partner at Panorama Law Firm. He is a lawyer who cares only about winning cases. Dai Xi goes to his law firm to argue with him about her best friend's lawsuit and by chance becomes his assistant. At first, they don't get along, but soon they begin to understand each other and Dai Xi's respect for Luo Bing grows. Luo Bing also inherits some of Dai Xi's empathy for others and learns that practicing law is more than just winning. They both grow and become reliable partners in law.

Screenwriter Liu Xiangshang has a relatively free schedule in his daily schedule. He is responsible for the education and care of his son Guoning and daughter Guobao at home, while his wife Dai Jing chooses to work in an out-of-town company with a higher salary.

童语（张翰 饰）、郭崇（杜淳 饰）、李杰森（黄宥明 饰）、向小飞（经超 饰），四名性格各异、来自五湖四海的大学好友，共同历经青春，如今已过而立。
2020年上海，成为人工智能工程师的童语、大学老师的郭崇、品牌店长向小飞、西餐厅厨师李杰森，四个男人变得成熟稳重，然而四人却都有着男人们的困境。童语面临着研发的巨大困难，郭崇在稳定的工作中失去了激情，李杰森难以突破瓶颈，向小飞则在金钱与理想中挣扎徘徊。四个男人面临着典型的中年危机，互相扶持，在坎坷中寻求突破。而四个人也在各自生活中遭遇了爱情，童语与公司女管理者许多（王晓晨 饰）情感起伏，郭崇与毕业生艾米（李浩菲 饰）若即若离，李杰森追求着自己的偶像微博作家岳子茜（张雅玫 饰），向小飞则与商界女强人刘胜男（肖涵 饰）闪婚。情感之路，远比事业更加曲折。最终他们在这个最好的年代里，拥抱事业，拥抱爱情，走向成熟，走向更好的自己。

Shawn Yue and Miriam Yeung reprise their popular roles as a star-crossed couple who strive to stay together happily ever after, only to find their already precarious relationship further strained, when Jimmy’s childhood friend asks him to donate sperm, and Cherie is troubled by the re-marriage of her father.

When a foreign spy organization sabotages China-U.S. peace talks through assassination and tech theft, National Security officer Yang Guang launches a covert investigation. As he closes in on the culprits, a mysterious woman frames him, forcing Yang to fight for both justice and his innocence in a deadly game of espionage.

Chen Huaihai leads his fellows to explore new lives in northeast China by running a tavern. They experience different situations and make a whole new life.

2024年新的开学季，鬼马家庭的父母和孩子又开始新一轮快乐成长。没有老人帮忙，刘向上和戴静只好忙完工作忙管娃，果宁为竞选班长绞尽脑汁使出浑身解数，果宝又太佛系让父母恨铁不成钢，刘向上为支持戴静工作既要应付家长群又要应付各类托管群、业主群、兴趣班群，导致一度严令家里不许提“群”这个字。景婷婷生三胎，杨明彪担子更重了，一边管理初一学习，另一边照顾三宝，又因十五初中毕业想去国外上学父子俩产生矛盾。唐晓薇在马英杰的保证下决定创业，马英杰又得寸进尺想复婚还想要二胎，晓薇对马英杰的躺平状态望而却步。三组家庭每天都在发生着新的事件，在磕磕绊绊中，家长们找到了工作家庭的平衡点。果宁顺利毕业升入初中，十五和杨明彪化解了父子矛盾，顺利出国读书，马英杰找到工作变得忙碌起来，孩子们也在不知不觉中都长大了。

Yi Qin'e is taken to the cultural troupe by her uncle Hu Sanyuan to learn to sing Qinqiang Opera. From then on, her life unfolds with ups and downs. She achieves glorious artistic accomplishments, yet also experiences a profound sense of loneliness beyond ordinary people's comprehension.