An Yun-su is a high school art teacher who discovers her husband dead in his private studio and becomes the main suspect after investigators find no forced entry or direct physical evidence. She is imprisoned, released under monitoring, investigates the inconsistencies herself, protects Ko Se-Hun, and is ultimately cleared of the murder charges.
Elite assassin and mother balancing family life with deadly missions.
A struggling young woman hired as an au pair who becomes the mistress of the wealthy husband. She falls pregnant, endures a staged accident and forced abortion orchestrated by the family, and ultimately stages a vengeful suicide by hanging and burning herself in the house.
Highly skilled contract killer balancing a violent professional life with motherhood. Fights yakuza Oda, spares a corrupt politician, and survives an assassination attempt orchestrated by Min-hee. Ultimately kills her rivals Min-hee and Min-kyu, securing a fragile peace with her daughter.
Yeon-hee is a desperate figure who kills a dangerous criminal to obtain the money and then sets fire to a house to conceal the murder. Her actions directly damage Joong-man's life by causing him to lose his home, while the locker key she drops ultimately helps his family recover the money and begin again.
A widow who moves with her son Jun to her late husband's hometown, Miryang, to begin again and open a piano academy. After Jun is kidnapped and killed, she struggles with grief and faith, eventually joining a church and deciding to forgive his killer. Her bond with mechanic Kim Jong-chan grows as he repeatedly helps and supports her.
Song Jung-yeon is a married woman and mother whose family invests its savings in an auto repair shop. After financial pressure worsens because of her husband's guarantee for a friend's debt, she accepts a delivery job she believes is legal, but is arrested in France when cocaine is found in her luggage and later imprisoned in Martinique.
A police officer framed for a major corruption scandal who accepts a large sum of money to take the blame. After two years in prison, she seeks out the man who promised her compensation, only to uncover a powerful conspiracy.
A local tabang delivery girl who initially resists Seok-joong's advances but eventually marries him after being won over by his kindness. Her life takes a tragic turn when she tests positive for HIV, leading her abusive ex-husband to track her down and force her back into prostitution.
A bar hostess working to pay off a substantial debt to vice president Park Jong-ho. She was previously in a relationship with Jong-ho but fell for mob enforcer Park Joon-gil. She grows suspicious of undercover detective Jung Jae-gon but gradually trusts him.
Hee-soo is a no-nonsense realist and one half of the former couple at the center of the story. She tracks down Byoung-woon at a horseracing stadium to demand repayment of the money he borrowed a year earlier, then follows him throughout the day because she does not trust him to pay.
A withdrawn student living with Yun Hong-yeon's Mother, Yun Hong-yeon becomes troubled after an emotionally confusing encounter involving her teacher. She stops attending school and hides at home, prompting Kang Soo-ha to visit her family and attempt a private conversation, though the outcome remains unresolved.
Jeon Do-yeon has 37 screen credits in a career dating back to 1997. Their work is anchored in the Kill Boksoon Collection universe with 2 titles. Signature works include Possible Love, Crash Course in Romance, The Price of Confession. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Related entry on Wikidata (Q267037), public domain (CC0).
