Marriage Blue

A week before the wedding, Tae-kyu discovers something about Joo-young that makes him feel betrayed. His jealousy grows as he digs into her dating history, chasing fragments of the past. The search intensifies as the wedding date draws nearer.

Days before the wedding, Tae-kyu's anxiety tightens its grip, pushing him to review conversations and memories for clues. Trust frays as he fixates on a single possible secret. The clock toward the ceremony becomes a drumbeat of doubt.

So-mi travels to Jeju Island to compete, hoping to focus on her own ambitions. There she meets Kyung-soo, a tour guide and webcomic writer whose charm awakens a new openness. The encounter stirs a pull toward something unfamiliar even as her commitment to Won-chul remains intact.

Kyung-soo's easy charm challenges So-mi's sense of loyalty and the weight of her seven-year relationship. She negotiates between long-standing affection and a fresh, liberating attraction. The tension between safety and risk grows as the trip unfolds.

Geon-ho, a gentle flower shop owner, faces an unexpected erectile dysfunction as his wedding approaches. He seeks reassurance from Joo-young, who explains that stress and emotional pressure can manifest physically. He worries that Vika might be drawn to him for citizenship or status rather than true partnership.

Joo-young reassures him there is nothing physically wrong and that stress can manifest in this way. Yet his insecurities about true commitment and Vika's feelings linger, underscoring how doubt can strain even a hopeful marriage.

Dae-bok begins dating Yi-ra, but the couple's joy is interrupted when Yi-ra reveals she is pregnant during a baseball game. Moved by the news, Dae-bok immediately proposes, trying to anchor their future in certainty. Their days afterward are filled with arguments that hint at deeper uncertainties.

Yi-ra’s pragmatic approach clashes with Dae-bok's earnest optimism, testing how love can survive looming realities. She questions whether love alone is enough to sustain a shared life. They are forced to confront whether something more substantial is needed.

So-mi senses a widening distance with Won-chul and worries that their wedding might highlight instead of heal it. She weighs whether comfort or passion will govern their future together. The sense of fragility underpins her every choice as the ceremony nears.

Won-chul contemplates whether routine has hollowed out their relationship or merely sheltered them from risk. He wonders if he can rekindle real passion before the ceremony. The pressure of impending vows pushes him to act.

Tae-kyu confronts Joo-young with the clues he has gathered, testing the strength of their bond. The fear of betrayal and the possibility that their wedding will fail loom large. The moment tightens the countdown to the ceremony.

Across the four stories, couples face honesty, vulnerability, and the fear of losing what they already have. They grapple with what love owes them and one another when the future seems unsettled. The film emphasizes quiet, everyday moments as the true measure of commitment.

Ultimately the film leaves the four couples with a sense of fragile hope that commitment might still endure. The ending suggests that honesty and vulnerability can guide them forward even when trust is tested.