Y/n was about to be pushed into an unwanted marriage for her large inheritance. To escape it, she temporarily married her best friend Lisa's handsome brother Jeon Jungkook. But her uncle thought her marriage to a struggling mechanic was fake. So, she has to now live with her Jungkook to prove that her marriage is real. Living in close quarters with the handsome man she used to crush on isn't easy, especially when all their interactions indicates that her unsuitable husband is actually the most suitable one. Can she come out of her fake marriage without falling for her unsuitable husband.