Bo-ra, aka dating coach Deborah, believes that a strategy is necessary in a relationship. In order to lead the relationship with her boyfriend Ju-wan to a happy ending, Bo-ra strategically plans to get a proposal from him. However, her plan is ruined by Su-hyeok who is also determined to propose to his girlfriend, Yu-ri.

Bo-ra finally decides to gather herself, being free from Ju-wan for good. While sharing the good news, Bo-ra also says goodbye to Su-hyeok. Just when Su-hyeok thought he won't see her again, Bo-ra reaches out to him once again.