Ma Fuya is a princess of the Chu state in 10th-century imperial China during the Five Dynasties and Ten Kingdoms period. In this time of warring kingdoms and political upheaval, Fuya's uncle usurps the throne and brutally kills her father. Ma Fuya is left an orphan, and she escapes with the help of a eunuch. She also falls in love with Meng Qiyou, the Prince of Later Shu. He instead uses her as a political tool, and he brings her back into his kingdom. Many of his brothers are attracted to her, such as Meng Qixing and Meng Qiyun. Due to her resemblance as Meng Qiyun's mother, the Emperor also falls in love with her. Ma Fuya is forced to marry the Emperor, but the procession is interrupted by Liu Liancheng.

In the Great Qi dynasty, young Emperor Xiao Huan assumes the alias Bai Chifan and draws close to Ling Cangcang, daughter of the Grand Tutor, to reclaim power from him and the Empress Dowager. Cangcang, the brave and righteous leader of the Fenglai Pavilion, joins him in investigating the Lingbi Sect. Their bond deepens into love, but her master's death sparks a fatal misunderstanding. Though they become Emperor and Empress, old wounds keep them apart. Refusing to abandon the truth, Cangcang endures betrayal and peril, only to discover Xiao Huan's silent devotion. Together, they restore peace, and prove that neither love nor the realm must be forsaken.

该剧改编自温瑞安的小说《神州奇侠》，讲述了一名酷爱武侠小说却被现实磨平棱角的咸鱼肖明明（成毅 饰），以小说男主角萧秋水的视角游历了一次武林世界，从武力低微、热血冲动的少年剑客，最终成长为有情有义、守护家国的大侠。此后肖明明在工作之余也不忘创作，在小说中继续传递人心因义而聚的信念的故事。

如果说《战狼2》中的冷锋是打不倒的孤胆英雄，那《莫语者》则是真实存在的守护者。 为了查明妻女身亡的幕后真相，拥有顶级警护能力的卫天放弃了身份，在事发地安提洛卡里斯创立了面向一带一路经济区企业和民众提供安保服务的「莫语者事务所」。卫天与中安集团总裁项平生有过命交情，却与其子项来性格相冲。中安集团和莫语者各自为战，却都有着强烈的人类命运共同体意识，在一带一路经济区以各自的方式捍卫着华人的海外安全。莫语者与中安集团多次联手，粉碎黑心制药公司的阴谋、为中国支非的高铁项目提供安全保障、多次解决恐怖分子在一带一路经济区制造的安全危机。 卫天在一次行动中救下柏拉图国际酒店的副经理安达，两人在保护与被保护中走到一起。莫语者团队的沙兰、曲胜利、叶婉也在一次次任务中与各自的过往经历和解。最终，莫语者在卫天的带领下加入中安，成功保卫了一带一路经济区上的企业和民众安全。