Character Relationship Map: For Eagle Brothers

Characters

• Han Dong-seok (played by Ahn Jae-wook) — protagonist
• Ma Kwang-sook (played by Uhm Ji-won) — protagonist
• Oh Jang-su (played by Lee Pil-mo) — supporting
• Oh Cheon-su (played by Choi Dae-chul) — supporting
• Oh Heung-su (played by Kim Dong-wan) — supporting
• Oh Beom-su (played by Yoon Park) — minor
• Oh Kang-su (played by Lee Seok-gi) — minor

Canonical Relationships

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

• Oh Jang-su → Oh Kang-su (Family Brother) — Siblings sharing family responsibilities
• Oh Jang-su → Oh Beom-su (Family Brother) — Siblings sharing family responsibilities
• Oh Jang-su → Oh Heung-su (Family Brother) — Siblings sharing family responsibilities
• Oh Jang-su → Oh Cheon-su (Family Brother) — Siblings sharing family responsibilities
• Ma Kwang-sook → Oh Kang-su (Family Sister-in-law) — Cares for late husband's brother
• Ma Kwang-sook → Oh Beom-su (Family Sister-in-law) — Cares for late husband's brother
• Ma Kwang-sook → Oh Heung-su (Family Sister-in-law) — Cares for late husband's brother
• Ma Kwang-sook → Oh Cheon-su (Family Sister-in-law) — Cares for late husband's brother
• Ma Kwang-sook → Oh Jang-su (Family Sister-in-law) — Cares for late husband's brother
• Ma Kwang-sook → Han Dong-seok (Romantic Partner) — Business partner who evolves into romantic relationship

Story Analysis

Family, Business, and Love

Plot Progression

1. Family Burden — Kwang-sook takes responsibility for her late husband's siblings while beginning to see business opportunities.
2. Business Ambition — Kwang-sook identifies Eagle Brewery as a key business opportunity and begins her pursuit.
3. Unexpected Partnership — Kwang-sook's professional relationship with Han Dong-seok evolves from rivalry to partnership.
4. Love and Business — Their relationship deepens romantically as they work together toward their business goals.
5. New Beginning — Kwang-sook successfully acquires Eagle Brewery and balances her new business with family responsibilities.