ie, also called "Vi" by her friends, is a Korean young adult who had been adopted by a french family when she was just a child. 

One day, she grabs an opportunity to go to Korea and work there to build a career in the marketing department of a big company. Without realizing that her work is taking up most of her time and she's not actually living her life. 

This is until she gets forced to learn how to live the normal life of a 21 years-old girl. In the process, she'll meet a K-Pop group called Infinite and whose members could just be the right person to make her enjoy her life again. Especially one of their members,Hoya, who appears to be quite an attractive young man...