After the An Yuan Marquis's household is confiscated, Shen Jiaojiao, the legitimate daughter who has finally been reunited with her family, takes her falsely accused family back to their supposed countryside home. Little do they know that it is actually Qingyun Manor, which owns countless properties and businesses. Armed with the Key to Heavenly Secrets, she battles her second uncle, unscrupulous merchants, and corrupt court adversaries while uncovering a shocking conspiracy behind the disappearance of military provisions. Caught in a dangerous web of political intrigue, she protects her family, foils a plot to restore the previous dynasty, and uses her intelligence and strength to secure peace for the region.