‘Bloody heart’ is a bloody politics that takes place between King Lee Tae, who has to throw away the woman he loves in order to survive, and Yoo Jung, who has to become a fighter in order to survive. Yoo-Jung is a character who is bold, resourceful, and possesses innate agility. Because of her meeting with Lee Tae, she goes through the upheaval of her life and gets involved in her royal power struggle.
- Drama: Bloody Heart
- Native Title: 붉은 단심
- Also Known As: Red Heart, Bulgeundansim, Red Single Heart
- Screenwriter: Park Pil Joo
- Director: Yoo Young Eun
- Genres: Historical, Romance, Drama, Political
- Country: South Korea
- Episodes: 16
- Airs: May 2, 2022 – Jun 21, 2022
- Airs On: Monday, Tuesday
- Original Network: KBS2
- Duration: 1 hr. 20 min.
- Content Rating: 15+ – Teens 15 or older