The fierce bandit leader Shen Qingfei accidentally crashes through the roof of the marquis's estate, being forced into a bond with the gloomy, disabled heir Xiao Cheng. For a hundred taels of silver a month, she specializes in curing the heir of his various "autistic rebellions," handling wheelchairs, feeding medicinal diets, and dismantling confined secret chambers with ease. Everyone in the marquis' estate looks down on this eccentric couple; the second branch makes things difficult everywhere, and former lover Su Wanyi along with a fickle scholar take turns making trouble, yet all are neutralized by Shen Qingfei's martial prowess. Amidst their interactions, the cold and rigid heir gradually falls in love, no longer trapped by battlefield inner demons, and his leg injuries progressively improve. The two jointly storm Qingyun Fortress and travel far to the border to clear up an old corruption case. Shen Qingfei recognizes her ducal lineage, rebuilds the stronghold to relieve the commoners, and having once stayed solely for silver...