Grace, a quiet flower shop owner, finds herself forced into a marriage with Kevin, a billionaire who has mistaken her for his runaway fiancée. Hiding her status as a medical genius, Grace intends to live a low-key life, but she inadvertently reveals her skills by saving Kevin's grandmother during a crisis. With Kevin's unexpected and growing support, she begins to fight back against a vengeful ex who refuses to let go. As love blossoms within their contractual marriage, the secrets of Grace's past slowly surface, proving that their union was a fated path to true happiness. A sweet and intense story of hidden talent.