Kang Jun Sang transfers to Yu Jin's school; Jun Sang discovers that he and Sang Hyuk have the same father; Yu Jin and Jun Sang get close fast; Jun Sang takes Yu Jin to her home and meets Sang Hyuk, who is waiting in front of her house.

Yu Jin gets lost on the mountain and Jun Sang tries to find her; Jun Sang and Yu Jin go on their first date; Jun Sang sees the same photo as he has in Yu Jin's home; he becomes confused about who his biological father is.

Yoo-jin and her classmates receive some tragic news.

Yoo-jin is surprised to discover she is going to work with Min-hyung.

Sang Hyuk is upset that Yu Jin and Min Hyung work together; Chae Rin lies to Min Hyung about Yu Jin to make Yu Jin quit; Chae Rin gives Yu Jin a dress that Min Hyung gave to Chae Rin; Min Hyung is deceived by Chae Rin's lies.

Min Hyung has no choice but to bring drunk Yu Jin to his hotel room; Yu Jin and Min Hyung continue to misunderstand each other; Chae Rin feels something happened between them, and lies to Min Hyung about Yu Jin.