Character Relationship Map: Touch Your Heart

Characters

• Kwon Jung-rok (played by Lee Dong-wook) — protagonist
• Oh Yun-seo (played by Yoo In-na) — protagonist
• Kim Se-won (played by Lee Sang-woo) — supporting
• Yoo Yeo-reum (played by Son Sung-yoon) — supporting
• Lee Du-seop (played by Park Ji-hwan) — supporting
• Yeon Jun-gyu (played by Oh Jung-se) — supporting
• Choe Yun-hyeok (played by Shim Hyung-tak) — supporting
• Dan Mun-hui (played by Park Kyung-hye) — supporting
• Yang Eun-ji (played by Jang So-yeon) — supporting

Canonical Relationships

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

• Kwon Jung-rok → Oh Yun-seo (Lawyer and Temporary Law-Firm Colleague) — Their professional partnership provides the practical setting in which their emotional relationship grows.

  "Yun-seo must work at a law firm for three months, and Jung-rok is involved in her workplace experience, legal cases, investigations, and evidence gat...

Story Dynamics

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

• Kwon Jung-rok → Yeon Jun-gyu (Professional Rivals) — Their professional disagreement escalates into an explicit conflict within the law-firm environment.

  "Episode 14 states that tensions between Jung-rok and Yeon Jun-gyu boil over."

• Kwon Jung-rok → Lee Du-seop (Legal Case Allies) — Their work converges around the continuing murder or self-defense case and its emerging evidence.

  "Jung-rok handles the Im Yun-hui case, while Episode 14 states that Lee Du-seop makes a breakthrough in that case."

• Kwon Jung-rok → Kim Se-won (Trusted Adviser and Friend) — Se-won serves as a confidant whom Jung-rok consults about his romantic uncertainty.

  "Jung-rok seeks Kim Se-won's advice because of his lack of dating experience in Episode 7."

• Kim Se-won → Yoo Yeo-reum (Reconnected Acquaintances) — Their renewed contact has both personal history and present-day social consequences.

  "Yeo-reum runs into an old flame at work, and Se-won later learns how the relevant people and events are linked."

• Dan Mun-hui → Choe Yun-hyeok (Workplace Acquaintances) — Their social and workplace familiarity supplies the basis for their romantic arrangement.

  "A co-worker comes to Mun-hui's rescue, Mun-hui and Yun-hyeok interact during the law-firm social setting, and they later discuss or experience contra...

• Oh Yun-seo → Yang Eun-ji (Workplace Acquaintances) — They are connected through the law-firm community, although the supplied plot gives limited direct interaction.

  "Yang Eun-ji is part of the law-firm social environment, and Episode 9 follows her response to a police call about her daughter while Yun-seo is also...

Story Analysis

The single-season narrative follows an actress rebuilding her career inside a law firm, where professional collaboration, legal cases, personal threats, and romance develop in parallel.

Plot Progression

1. Forced Workplace Beginning — Oh Yun-seo enters a law firm to satisfy the condition for her acting comeback. Her early frustration and unfamiliarity create the initial tension with Kwon Jung-rok and the firm environment.
2. Cases and Growing Attraction — Yun-seo begins contributing to legal work and becomes emotionally invested in Jung-rok. Their cooperation on the murder defense and crime-scene investigation turns professional proximity into romantic...
3. Workplace Bonds and Secrets — The firm workshop brings the staff together while personal histories and emotional complications become more visible. Jung-rok seeks advice, and Yun-seo's feelings become increasingly difficult to con...
4. Threats and Public Romance — Yun-seo confronts a threatening follower and reveals the truth behind her scandal to Jung-rok. Their romance is eventually discovered, raising the emotional stakes of their relationship.
5. Case Pressure and New Beginnings — The unresolved murder case returns, and tensions inside the law firm boil over. Yun-seo completes her acting comeback and leaves for an overseas shoot after spending important time with Jung-rok.