Chloe Muir, the true heiress of the Mu Clan, was abandoned in the countryside by her stepmother from childhood. She possesses peerless medical skills and innate supernatural strength, and hides multiple identities as the closed-door disciple of Divine Healer Hale. She is tricked back by her family to stand in for a marriage to Zane Voss, the paralyzed richest man of Azure City. She accidentally cures his leg ailment, repeatedly thwarts the various conspiracies of the fake heiress Ruby Muir, gradually reveals her hidden identities, moves from a contractual marriage to mutual devotion with Zane Voss, and ultimately gains a fulfilling story of both career and love.