Academically and socially struggling Ji Yu fails to find peace as she starts have doubts about her boyfriend.

Ji Yu experiences an unexpected event involving Do Ha.

While spending time with new friends, Ji Yu and Chan Seong go through relationship difficulties.

Ji Yu's life crumbles as her relationship with Chan Seong suffers.

Ji Yu meets with Chan Seong to clear up a misunderstanding. Meanwhile, Mi Na faces a more serious problem.

The girls reconcile, but more drama follows with Chan Seong and surprising news from San.