Seoul Blues

Three friends, Min Ji, Dae Yeong, and Jeong Ha, reunite after a long time. During a night of drinking, the past kiss between Dae Yeong and Jeong Ha is revealed, creating a strange tension. Dae Yeong gathers his courage and confesses his long-held feelings to Jeong Ha, but Jeong Ha rejects him. Afterwards, Min Ji confesses her feelings to Dae Yeong, and the relationships among the three begin to take an unpredictable turn.

At a café, Jeong Ha is shocked to hear that Dae Yeong and Min Ji are dating but still congratulates them. Min Ji, despite knowing that Dae Yeong does not have feelings for her, continues their relationship. At Dae Yeong's home, Min Ji tries to get closer to him, but Dae Yeong finds himself thinking of Jeong Ha and distances himself from Min Ji.

Jeong Ha goes to see Dae Yeong to resolve the tangled situation. The subtle tension between them eventually leads to Dae Yeong's outburst, and he demands sincerity from Jeong Ha before kissing him.

Jeong Ha feels jealous as he goes on dates with Dae Yeong at cafes, parks, and at his home, noticing traces of his past relationships. However, Dae Yeong expresses his feelings honestly and actively shows his affection, soothing Jeong Ha's heart. Jeong Ha confesses his love to Dae Yeong, and the two confirm their true feelings for each other.

Jeong Ha struggles to come up with ideas for his new work, so Dae Yeong suggests creating a romance story together. The two enjoy their time as they share various ideas, from first love during their school days to secret workplace romances and heartwarming love in historical dramas. Growing closer to each other, they end the day with fluttering hearts.

While packing at Dae Yeong's place before his move, Jeong Ha discovers an old camcorder. The video reveals moments from their high school days. On a day they were assigned to clean together, Dae Yeong filmed Jeong Ha, capturing small, personal memories just for the two of them.