The Interest of Love

A mix-up at the bank forces Ha Sang Su and Ahn Su Yeong to go on a trip together. When they return, he musters up the courage to ask her a question. (Source: Netflix)

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. (Source: Netflix)

Jeong Jong Hyeon attempts to get closer to Su Yeong, who is grappling with her past. Park Mi Gyeong and Sang Su team up on a work project. (Source: Netflix)

Mi Gyeong reveals her true feelings to Su Yeong while continuing to maintain their friendship. Su Yeong later receives disappointing news at work. (Source: Netflix)

Su Yeong stands up for herself at work — risking blowback. After being embarrassed in front of Sang Su, Mi Gyeong shares her vulnerabilities with him. (Source: Netflix)

Sang Su and Su Yeong get the chance to open up about their feelings. Mi Gyeong and Sang Su's mothers form an unlikely friendship. (Source: Netflix)

Su Yeong tries to get answers out of Jong Hyeon after his sudden change of heart. Sang Su and Mi Gyeong go public with their relationship. (Source: Netflix)

Jong Hyeon and Su Yeong attempt to adjust to their new — and awkward — living situation. Mi Gyeong's mother tries to track down her daughter's new beau. (Source: Netflix)

Mi Gyeong begins to suspect Sang Su's true feelings about Su Yeong. Meanwhile, Su Yeong struggles to manage Jong Hyeon's growing insecurities. (Source: Netflix)

Amid increasing suspicions about Sang Su, Mi Gyeong's anxiety starts to get the better of her. Su Yeong witnesses a scary accident involving her mother. (Source: Netflix)

After their momentous night at the ice rink, Sang Su and Su Yeong navigate their complex road ahead. Mi Gyeong avoids Sang Su's every attempt to talk. (Source: Netflix)

Mi Gyeong does everything in her power to deny the reality of Sang Su's decision. Confronted with conflicting emotions, Su Yeong reaches a crossroads. (Source: Netflix)

Jong Hyeon causes a scene at work after confronting Su Yeong about her shocking act. Sang Su attempts to make sense of Su Yeong's behavior. (Source: Netflix)

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. (Source: Netflix)

Sang Su searches for answers after Su Yeong's sudden disappearance. Su Yeong learns the truth about her parents — and realizes her own misunderstanding. (Source: Netflix)

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. (Source: Netflix)