A simmering resentment drove Ryu Eun-jung to confront the newcomer, Cheon Sang-yeon, in 1992. Years passed, and then Sang-yeon reappeared, bearing news of a grave illness and a final, poignant plea.

Having declined Sang-yeon’s plea, Eun-jung finds herself drawn back into the landscape of their shared history. Memories surface—the intricate threads of their friendship, and a lingering affection she held for Cheon Sang-hak, Sang-yeon’s b…

In the photography club at university, Eun-jung encounters Kim Sang-hak – a man whose name echoes a figure from her history. A quiet shyness settles upon her, quickly transforming their interactions into something subtly strained.

Years had passed since they last spoke, yet fate brought Eun-jung and Sang-yeon together again on the university campus. But with their reunion came a resurgence of old anxieties, stirring up forgotten hurts and the lingering ache between t…

Sang-hak’s conscription creates a growing chasm between them. For Eun-jung, unanswered calls and veiled communications online reveal a troubling shift, threatening the bond she shares with Sang-yeon.

A shared connection through her brother draws Sang-yeon and Sang-hak nearer, fostering a growing intimacy. Meanwhile, Eun-jung's unease deepens, prompting her to uncover a truth that fundamentally alters her perception of both men.

Following Eun-jung's direct questioning regarding Sang-hak, Sang-yeon attempted to diffuse the palpable tension – only to soon stumble upon a devastating revelation about his brother.

Unburdened by the secret shared between Sang-hak and Sang-yeon, Eun-jung exists in a state of isolation, feeling utterly lost. This solitude persists until a series of betrayals and misfortunes drive the trio apart, each facing their own se…

Years later, now a film producer, Eun-jung encounters Sang-hak anew. However, the resurgence of their collaboration is overshadowed by unforeseen trouble; when devastating news strikes their project, Sang-yeon emerges.

With the cameras rolling, tensions rise between Eun-jung and Sang-yeon. Their disagreements encompass everything from the script's direction to the allocated budget, and the very essence of their artistic vision. Despite these conflicts, bo…

Cut off in a secluded spot by a remote location scout, Eun-jung and Sang-yeon find themselves increasingly isolated. Minor difficulties and disagreements over their work escalate into a prolonged and strained silence between them.

A mishap on set threatens the production. Eun-jung and Sang-yeon find themselves compelled to collaborate, striving to maintain the project's momentum—a task that hinges on Sang-hak’s considerable skill.

Sang-yeon’s simmering resentment toward Eun-jung finally erupts, coinciding with a sudden and disruptive crisis on set that plunges the production—and their fragile collaboration—into turmoil.

The rift that severed their friendship had been sharp, fueled by anger, and Eun-jung had closed herself off to Sang-yeon completely. Years passed, and then Sang-yeon returned, carrying a fragile hope – a final wish for Eun-jung’s considerat…

With Sang-yeon's departure imminent, Eun-jung is burdened by a weighty promise. On the eve of their parting, they reminisce, drawing from a shared history spanning a lifetime of friendship.