When Alexa's long time boyfriend Park Jimin leaves the city to enlist to the military, she promises him to wait for his return. But things develop differently than expected when the Korean government forces her to leave the country. Left with no other choice, she marries her boyfriends best friend Jeon Jungkook who offers to help her to stay in Korea through this marriage. This marriage was only supposed to be a contract for 2 years until Jimin returns, but what both of them didn't expected were the growing feelings they were slowly developing for each other.