Park Chorong, a normal high school student who fallen in love with the most popular boy in the district, Luhan. She had been liking him since the first year of high school. Chorong finally had the courage of expressing her true feeling toward him. But in returned, Chorong got her heart in pain when the one who she love making fun of her in front of the school with thousands of students. Chorong's heart were soon became aware of love and never believe what call 'together happily ever after'.

  3 years later, Chorong who became a beautiful sucessful colledge student in the age of 21, her father who have a sickness and had to retire. Her parent knew that Chorong is a smart girl and know how to prevent issues in the company but 'ever woman need a man' they thought. Chorong were told that in order to keep her father's company safe and sound, she have to marry a guy who have the kind of power to keep her family business stay stiff. 

  Mr. Park arranged Chorong to marry his friend son who is the president of the most famous jewelry brand company WORLD. Chorong had no choice but to obey her father order and accept the marriage. But the person that going to marry her is the person that she have never ever thought of meeting again, Luhan. Is this fate? How will Chorong deal of marrying the person she hate the most?