When In-Young met with a new exchange student, Ken, who was practically picked by her jock boyfriend on his first day at school, she helped him out to discover that he was actually her classmate. Friendships were bond when Ken decided to join the music and arts club with In-Young. Litlle that In-Young know that her boyfriend was seeing someone else. Would Ken be the hero to the rescue or will In-Young be breaking her heart when she found out about it?