唐朝唐隆年间，李隆基（马浚伟 饰）联同姑姑太平公主（陈炜 饰）发动政变，将蚕食法统的韦皇后（米雪 饰）就地正法，拥护相王李旦重回大统。看似重归平静的太极深宫，实则暗流涌动……朝堂之上，风云色变，李隆基与太平公主阵营分化，势成水火。深宫之中，妃嫔角力，王蓁（胡定欣 饰）与郑纯熙（周秀娜 饰）各自为营，尔虞我诈。有人因高权重位舍弃良心，亦有人为至亲至爱放弃一切。龙武军任三恕（马国明 饰）与何离（萧正楠 饰），女史元玥（刘心悠 饰）与甘若芊（黄心颖 饰），用其真情真性，为深宫缀上一笔浪漫……深宫禁苑，悬案丛生。抽丝剥茧后，揭露出一个个尘封多年的惊天秘密；太极之巅，波谲云诡，高墙掩映下，上演着一幕幕荡气回肠的爱恨情仇！During the reign of Emperor Shang of Tang, Prince of Ping (Steven Ma), and Princess Taiping (Alice Chan) stage a coup and execute the Empress Dowager Wei (Michelle Yim) who was seize power on the court system. They support Prince of Xiang (Lung Kay Lee) in reclaiming the throne. The palace appears to be returning to peace, but, the great waves are secretly approaching - On the court, the aunt-nephew camp of Princess Taiping and Prince of Ping begin to be divided and become like fire and water. Within the inner palace, Prince of Ping's first wife, Wong Zhen (Ting-yan Wu) and favorite concubine Zheng Chunxi (Chrissie Chau) compete with their beauty and cannot get along. Fortunately, within the deceitful inner palace, there is rare integrity. The heroic and righteous imperial guards, Yam Sam-Shu (Kwok-Ming Ma) and Ho Lei (Edwin Siu), and the quiet and elegant department heads, Kam Yeuk-chin (Jacqueline Wong), and Yuen Yuet (Annie Liu), are four genuine people that decorate the gloomy and...