Leaving behind the bustle of Seoul, Mok Hae-won found herself back in her hometown. There, amidst familiar streets and landscapes, she unexpectedly encountered Im Eun-seop, a former classmate who now owned a bookstore.

Hae-won encountered Lee Jang-woo, who extended an invitation to a book club meeting held at Eun-seop’s bookstore. The encounter stirred a memory within her, a painful recollection of a past friendship fractured by betrayal.

Further details concerning Kim Bo-yeong’s treachery came to light. Following the freezing of her home, Hae-won found herself compelled to take residence with Eun-seop at the bookstore.

In the city, Hae-won unexpectedly encountered Bo-yeong, and they shared coffee. Meanwhile, Eun-seop journeyed into the woods, determined to find a woman who had become lost in the mountains.

Hae-won’s mother appeared in Bukhyeon without warning, leaving Hae-won and Shim Myeong-yeo in a state of bewilderment. Meanwhile, Eun-seop found himself in conversation with Bo-yeong.

A former classmate, harboring unspoken affections for Hae-won, returns to Bukhyeon, stirring up memories of their shared past. The town gathers for the high school's annual homecoming celebration.

Hae-won’s declaration elicited frustration in Eun-seop, a reaction that stung. Soon after, he took ill and vanished, his departure shrouded in an unsettling mystery.

Deep in the woods, Hae-won encounters Eun-seop, yet his demeanor is marked by a chilling distance. Their already strained relationship deepens further when she falls ill, casting an even heavier shadow between them.

A wave of anxiety washes over Hae-won following the long-awaited confirmation from Eun-seop. With this news, glimpses into Eun-seop’s veiled past begin to surface, revealing details of a childhood steeped in mystery.

A stranger arrived at Eun-seop’s door, presenting him with a predicament that demanded a weighty decision. In his absence, Hae-won managed the bookstore’s bustling flea market.

Faced with the looming prospect of eviction, Eun-seop and Hae-won sought out the bookstore's landlord. Meanwhile, Myeong-yeo’s concern for a friend stirred long-buried memories from her past.

The shadows of Shim Myeong-joo and Myeong-yeo’s painful history deepen. At the bookstore, Bo-yeong shares a confession with Eun-seop.

Hae-won and Bo-yeong engaged in candid discussions about their shared history. During one such conversation, Hae-won discovered and read Eun-seop’s hidden diary.

Following Myeong-yeo’s hospitalization, Hae-won reaches out to her mother. It is then that Hae-won begins to uncover the long-held secrets of her family history.

The weight of her history presses down on Myeong-yeo, leading her to a painful decision—one that compels Hae-won to confront a choice of her own.

Myeong-yeo reached a definitive conclusion regarding her path forward. Meanwhile, Hae-won returned to Bukhyeon, and found herself face to face with Eun-seop once more.