Guarding Her Secret, Winning His Heart 10

Grace, a flower shop owner, was forced into a marriage with Kevin, a billionaire who had mistaken her for his runaway fiancée. Having concealed her medical genius, she inadvertently revealed it by saving his grandmother. With Kevin's support, she fought back against her vengeful ex. As love blossomed in their contractual marriage, secrets from her past surfaced, ultimately leading them to true happiness.