Kai, a driven CEO groomed for success from a young age, now leads with an iron fist. While strict and demanding in the boardroom, his grandmother, Evelyn, sees beyond his tough exterior and hopes to find him love and happiness. Meanwhile, you, a young graduate eager to make your mark, arrive at Kai's company for an interview. You run late because you help an elderly woman who turns out to be his grandmother. Kai offers you not only a job but also the position as his fake fiancée to satisfy her.