A 20 years old CEO or a big company who was left by her parents because of a car accident is now getting married with the famous dancer Kai from EXO. The two was 'enemy' since high school but now her uncle, Lee Sooman arranged a marriage to help her become the new president in her parents' company. WHat if she found out that the accident isn't an 'accident'? What if that person found out the 'fake marriage'? What will they do?