Character Relationship Map: Harmony

Characters

• Jeong-hye Hong (played by Yunjin Kim) — protagonist

  A prisoner who gives birth to Newborn Min-wu and raises him in prison with help from fellow inmates and officers. She proposes forming a choir as part of the prisoners’ rehabilitation and works to bri...

• Section Chief Bang (played by Jang Young-nam) — supporting

  A prison officer who gives Jeong-hye authority to organize a choir and offers the women a day out if they succeed. She allows the choir six months to prepare for an outside performance. When that perf...

• Kim Moon-ok (played by Na Moon-hee) — supporting

  A prisoner who has studied music and is initially unwilling to join Jeong-hye’s proposed choir. After Jeong-hye apologizes, the two share their grief over people they miss, and Moon-ok eventually help...

• Newborn Min-wu (played by Lee Tae-kyeong) — supporting

  Jeong-hye’s infant son, born in prison. Under the stated regulation, he can remain with her there until he is 18 months old, and the prisoners celebrate his arrival and first birthday together. When h...

• Harmony Choir / Sil Soo-ro (played by Park Ji-yeon) — supporting
• Yu-mi Kang (played by Kang Ye-won) — supporting
• Yu-mi's Mother (played by Park Hye-jin) — minor

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Yu-mi's Mother → Yu-mi Kang (mother)
• Section Chief Bang → Harmony Choir / Sil Soo-ro (Power Institutional Supporter) — Bang uses her authority to support the choir's preparation and publicly challenge the cancellation of its performance.

  Bang allows the choir six months to prepare for an outside performance and later demands that the women be allowed to perform after their scheduled ap...

• Jeong-hye Hong → Section Chief Bang (Professional Supervisor And Choir Organizer) — Bang first supports Jeong-hye's choir initiative and later advocates for the group when its performance is threatened.

  Section Chief Bang gives Jeong-hye authority to organize a choir and allows the women six months to prepare for an outside performance. Later, Bang ch...

• Jeong-hye Hong → Newborn Min-wu (Family Mother And Son) — Jeong-hye raises Min-wu in prison with help from others, then suffers a devastating separation when he leaves the institution.

  Jeong-hye gives birth to Min-wu in prison and cares for him there. When he reaches the age at which he must leave, she hands him to his adoptive paren...

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Jeong-hye Hong → Harmony Choir / Sil Soo-ro (Alliance Choir Organizer And Member) — Jeong-hye builds and leads the choir as a shared source of purpose while the prisoners work toward performing outside the institution.

  Jeong-hye proposes forming a choir, organizes rehearsals, and returns to the group after Min-wu leaves. The women continue singing together as they pr...

• Jeong-hye Hong → Kim Moon-ok (Alliance Choir Collaborators) — Their initial distance gives way to mutual understanding, and Moon-ok contributes her musical experience to the choir Jeong-hye is organizing.

  Moon-ok initially refuses to join the choir. After Jeong-hye apologizes and they share their grief, Moon-ok eventually helps the group.

Story Analysis

A prisoner's effort to build a choir unfolds alongside her bond with her infant son, as separation and institutional conflict test the women's shared hope.

Plot Progression

1. A Child in the Cell — Jeong-hye gives birth in prison, and the other prisoners welcome Min-wu. They celebrate his first birthday and help make the confined cell feel like a home, even as his eventual departure approaches.
2. A Choir Takes Shape — Jeong-hye proposes a choir and receives Bang's permission to organize it. The women begin rehearsing, and Moon-ok moves from refusing to join toward helping after she and Jeong-hye share their grief.
3. The Pain of Separation — Min-wu reaches the time when he must leave the prison, and Jeong-hye hands him to his adoptive parents. Her fellow inmates comfort her, and she gradually returns to singing with the group.
4. A Performance in Peril — A theft investigation leads officers to search the prisoners, and the planned performance is canceled in favor of another choir. Bang challenges the decision, additional officers arrive under a specia...