Selected by imperial decree, Jiang family's daughter Jiang Manman is ordered to marry into Jing Prince's Estate. By nature she is clear-headed and open-minded, unwilling to blindly endure and yield. After entering the estate, facing various harassments and disturbances within, she cleverly uses her wisdom to resolve difficulties, comforts elders, guides younger sisters-in-law, sorts out the estate's complex accounts, and clears up all kinds of interpersonal entanglements. The cold and aloof Jing Prince Xiao Zhi is gradually moved by her lively and true nature during their time together. The two join hands to handle storms, unravel layers of misunderstandings, tidy up the inside and outside of the prince's estate, and run towards each other in daily mortal life, harvesting a sweet fate uniquely belonging to each other.