The Interest of Love

Sang-su is left reeling after his tense conversation with Su-yeong. Meanwhile, a new face joins the bank and quickly becomes friendly with Sang-su.

Mi-gyeong reveals her true feelings to Su-yeong while continuing to maintain their friendship. Su-yeong later receives disappointing news at work.

Sang-su and Su-yeong get the chance to open up about their feelings. Mi-gyeong and Sang-sus mothers form an unlikely friendship.

Jong-hyeon and Su-yeong attempt to adjust to their new — and awkward — living situation. Mi-gyeongs mother tries to track down her daughters new beau.

Amid increasing suspicions about Sang-su, Mi-gyeongs anxiety starts to get the better of her. Su-yeong witnesses a scary accident involving her mother.

Mi-gyeong does everything in her power to deny the reality of Sang-sus decision. Confronted with conflicting emotions, Su-yeong reaches a crossroads.

Steadfast in his feelings, Sang-su tends to Su-yeong during her time of need. After delaying the inevitable, Mi-gyeong makes a final decision.

Having moved on to different places in life, the KCU colleagues reunite at a wedding. Sang-su runs into Su-yeong in Seoul after much time apart.