Seol decides to take a break from school due to Jeong's harassment. When she unexpectedly returns, she's surprised by his completely changed attitude.

Jeong helps with Seol's broken laptop from her quarrel with In-ho. With his ongoing kindness, Seol starts to believe she had misunderstood Jeong.

Jeong gives Seol the cold shoulder again, while In-ho approaches her to unsettle Jeong. Seol nears a mental breakdown from uncooperative teammates.

Seol is overwhelmed by school and part-time work, while Jeong's unclear attitude confuses her. In-ho keeps bothering her after joining her academy.

Seol and Jeong grow closer as In-ho can't stop thinking about her. Meanwhile, Seol learns the truth about Jeong from Yun-seop and Ju-yong's argument.

Seol faces Yeong-gon outside the academy, and things start getting dangerous for Seol. Jeong worries about her, and they spend the night together.

On the first day of the second semester, Min-su appears looking exactly the same as Seol, while Yeong-gon finds out that Seol and Jeong are dating.

Yeong-gon uses Eun-taek to restore the reputation he lost to Jeong. Meanwhile, Seol is angry to discover that Min-su took her doll and confronts her.

Seol vents out her anger with Min-su on group presentation day. After learning the truth about Jeong and Yeong-gon, she distances herself from Jeong.

Seol gets into a brawl with Min-su after learning she lied that Seol's brother is her boyfriend. Meanwhile, In-ho realizes he has feelings for Seol.

Seol reunites with Jeong after running away from home. Meanwhile, Yeong-gon faces danger after a photo of him stalking Seol is posted online.

Seol confronts Jeong after learning he knew about her incident with Yeong-gon, but he avoids answering. In-ho is furious over In-ha and Jeong's deal.

Seol avoids In-ho after learning the truth about him and Jeong. When Sang-cheol finds she has Jeong's test material, others secretly criticize her.

Seol learns about In-ho's feelings and avoids him, making him feel guilty, while Jeong hears that Seol was hurt at school and decides to take action.

Jeong tries to honor Seol's wish not to hurt others. But after In-ha lies about Seol to his father, he sets a final plan to keep her away for good.

Jeong is in despair as he sees Seol, unconscious from the accident, and learns from his father that he was the one who caused all this misery.