Mia Scott appears to be a modest foster daughter bullied by her biological family, who attempt to auction her to an elderly creditor to settle household debts. Through a chaotic mix-up at the municipal registry, she accidentally marries ruthless conglomerate chief Oliver Wilson. Recognizing mutual convenience, they agree to maintain a facade marriage, unaware that Mia is secretly Dr. Z, the world-renowned surgical prodigy Oliver has spent millions trying to track down.
While facing continuous public scorn from spiteful in-laws and Oliver's entitled former fiancée, Mia solves impossible medical cases in secret. When life-or-death emergencies force her to step into the operating theater under her true title, she completely blindsides her arrogant spouse and reclaims absolute authority.
