This is a story about two sisters, Min Yoona and Park Rose, who live in a small village in Daegu. They want to create a good life for their younger brother, Yoongi, and take care of their sick father, who is their only remaining family.
Unexpected circumstances arise, pushing them to start a new life in Seoul.
Min Yoona, the younger sister, unexpectedly gets arranged to marry Kim Taehyung, the youngest CEO in Asia and head of Kim Corporation.
Meanwhile, the older sister, Park Rose, who is the main supporter of the family, finds a job at Kim Corporation. There, she unexpectedly meets Park Jimin, who is also one of the youngest CEOs in Asia and Taehyung's business partner and Bestfriend.
Both sisters are trying to thrive in their new lives but in different ways. How will they handle their new situations?
What will happen when they meet each other? How will their lives work out from there?