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A Bona Fide Killer

A Bona Fide Killer
★ 8.4/10•2026•TV-MA•Drama•Action & Adventure•Mystery
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The perfect housewife. The perfect double life.

A seemingly ordinary working mother secretly lives as a legendary sniper who delivers justice where the law fails. After returning from a three-year hiatus, she must balance protecting her family with eliminating dangerous criminals, all while a determined journalist and a relentless detective close in on her hidden identity.

Yoon Jong-ho · Director

Kim Eun-hee · Writer

StatusEnded
LanguageKO
First Air DateJul 31, 2026

Episodes

Episode 1 - Episode 1E162m

Episode 1

Bo-na, Tae-sung, and their four-year-old daughter Yul are a typical happy and harmonious family. After a three-year parental leave, Bo-na returns to work and successfully completes her duties from day one, defying concerns. Meanwhile, Tae-sung, covering a drug case, learns a serial killer who disappeared four years ago has returned.

Jul 31, 2026

Episode 2 - Episode 2E264m

Episode 2

Tae-sung and the police are surprised by Kingfisher's return and resolve to finally apprehend Kingfisher for good this time. Tae-sung seeks information from Detective Dong-jin, who previously pursued Kingfisher. Meanwhile, a new employee appears at Bo-na's company, seemingly harboring an unknown secret.

Aug 1, 2026

Episode 3 - Episode 3E366m

Episode 3

Hyun-nam tells Bo-na why she came to Durumi Electronics to find her. A Sales Team workshop takes place, and Bo-na spends time away from Tae-sung and Yul for the first time since her marriage. While enjoying an unexpectedly pleasant time, an unforeseen incident occurs at the accommodation.

Aug 7, 2026

Episode 4 - Episode 4E460m

Episode 4

As Bo-na keeps working, Yul starts whining, and Bo-na struggles with balancing childcare and work. Meanwhile, people are enraged by child sex offender Pyo Gyu-cheol's release after serving his sentence. Tae-sung meets Dong-jin who is tracking Pyo Gyu-cheol. Dong-jin believes Pyo Gyu-cheol could be Kingfisher's new target.

Aug 8, 2026

Episode 5 - Episode 5E563m

Episode 5

Bo-na, knowing today is Tae-sung's family's memorial day, takes a half-day off and leaves early. She does her best, but her mother-in-law's berating continues. Misunderstandings build as Tae-sung helps her after work, leading to an unexpected turn. Meanwhile, Tae-sung begins investigating the suspicious death of a construction worker.

Aug 14, 2026

Episode 6 - Episode 6E661m

Episode 6

Bo-na and her team travel to a Gangwon Province casino to prepare for a Client Meeting. When their plans hit a snag, Bo-na must step in for the Meeting herself. Tae-sung, investigating a construction worker's death, heads to the casino where Bo-na is, while probing the construction company's Chairman. Meanwhile, suspicious individuals appear around Bo-na's Meeting target.

Aug 15, 2026

Episode 7 - Episode 7E765m

Episode 7

Eight years ago, in World Cup-feverish Seoul, Bo-na's team holds a Meeting hidden. In the same building, chasing a pickpocket, Tae-sung attacked, collapsing. Bo-na finds him, calls 119. Four months later, Tae-sung awakens, meets Bo-na, falls for her. Bo-na, exhausted by her 16-year mission, plans to quit.

Aug 21, 2026

Episode 8 - Episode 8E868m

Episode 8

After discharge, Tae-sung retreats to a secluded mountain lodge, where he coincidentally reunites with Bo-na. Heavy snow isolates them, and only the two stay at the lodge for a while. Sharing food and enduring the cold, they open their hearts and start to love. Meanwhile, released vicious criminals, fearing Kingfisher, try to return to prison.

Aug 22, 2026

Episode 9 - Episode 9E966m

Episode 9

Sergei, Bo-na's childhood friend and a mercenary from Russia, reappears, and the truth of The Gosiwon Case in Haegong-dong from four years ago begins to surface. Bo-na investigates Sergei's return to Korea. Meanwhile, Dong-jin learns that Jang Eun-hak, the culprit who murdered his parents, has been paroled.

Aug 28, 2026

Episode 10 - Episode 10E1067m

Episode 10

Monitoring paroled Jang Eun-hak, Dong-jin thwarts his renewed attempt at murder. A chase ensues, and Jang Eun-hak is eventually stopped by Kingfisher. This event prompts Tae-sung to resume writing articles about Kingfisher. Bo-na, despite her worries about these changes, decides to continue her own work.

Aug 29, 2026

Episode 11 - Episode 11E1165m

Episode 11

Dong-jin recalls that Tae-sung's assailant and Kingfisher were in the same building in the past. He immediately proceeds with an interview with the assailant, during which he obtains a clue that Kingfisher might be a woman. Meanwhile, Bo-na catches her mother-in-law's Voice Phishing culprit and receives recognition from her mother-in-law. Although the family becomes harmonious, Tae-sung's anxiety steadily intensifies.

Sep 4, 2026

Episode 12 - Episode 12E1273m

Episode 12

Bo-na's painful orphanage childhood surfaces, hinting at a past forged by violence and silence. Tae-sung faces a growing dilemma as doubts about someone close to him become harder to ignore. The task force closes in with a bold new lead, but an unseen hand seems to always stay one step ahead. What Tae-sung uncovers may destroy everything he loves.

Sep 5, 2026

Episode 13 - Episode 13E1364m

Episode 13

A new murder case occurs, and it confuses the police, but they are sure that it was done by Kingfisher. Bo-na realizes she's framed, and the real culprit is Leila, her old colleague who is resentful toward Bo-na for past condemnation. The appearance of Leila makes Bo-na fearful for her family’s safety.

Sep 11, 2026

Episode 14 - Episode 14E1476m

Episode 14

Leila is identified as Kingfisher, but inconsistencies arise. Meanwhile, Bo-na realizes that Tae-sung knew about her identity as Kingfisher. He confesses his love, but she leaves. During her absence, Tae-sung tries to clear Kingfisher’s name, shifting public opinion. He finds Bo-na, convinces her to reconcile, promising to learn her completely.

Sep 12, 2026

Actors

Gong Hyo-jin

Gong Hyo-jin

Yoo Bo-na

Jung Jun-won

Jung Jun-won

Kwon Tae-sung

Lee Sang-yi

Lee Sang-yi

Lee Dong-jin

Sung Dong-il

Sung Dong-il

Kim Bong-pal

Moo Jin-sung

Moo Jin-sung

Gi Yeong-do

Lee Eun-saem

Lee Eun-saem

Kwon Se-ah

Kim Nam-hee

Kim Nam-hee

Bong Tae-min

Ha Yully

Ha Yully

Oh Hyun-nam

Choi Woo-sung

Choi Woo-sung

Beom Seong-hoon

Shin Hyun-soo

Shin Hyun-soo

Seul-gi / Sergei Volansky

Lee Chan-yang

Lee Chan-yang

Kim Min-jae

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