Nothing else can confuse Moon Arin but two people sharing the same face and name. The only thing that could break this confusion is when her heart recogniz

  A college working student, Jung Eun Ji meets Do Kyung Soo who is known for his cold and aloof nature. In the midst of a season where all leaves have gone dry, their paths crossed again--only Do Kyung Soo who is aware of everything from the past, hurt and broken from a reason he wasn't sure of.  

Lee Yoon Seul has turned 18, and she wanted to come out of her shell and try new things. She then meets this tan and mysterious guy named Kim Jong In. Yoon Seul had a dream and it might change everything. As she discovers Jong In's real identity, she soon creates a puzzle

Hyerin hears a melody. The person behind that melody is Zhang Yi Xing, who is playing with the old grand piano and soon reveals to her a secret of a music piece composed by Wolfgang Amadeus Mozart, a famous composer from the 19th century. A piece hidden from the world and a clue to Zhang Yi Xing's identity.