A Bona Fide Killer ambient background
CinebyCineby
A Bona Fide Killer backdrop

A Bona Fide Killer

A Bona Fide Killer
★ 8.4/10•2026•TV-MA•Drama•Action & Adventure•Mystery
Similars

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

Recommendations

Shark: The Storm
Agent Kim Reactivated
Mousetrap
Taxi Driver
The Manipulated
Mr. Mercedes
Furious
Bloodhounds
The Assassin
Cross
Queen of the South
56 Days
Dear X
Marvel's The Punisher
Arrow
The Night Manager
Killing Eve
Good Girls
Good Behavior
The Witness

Similars

Lore Olympus
Hometown
Serendipity's Embrace
The Lie Detective
Married
United States
Golden Cross
The Stranded
TAGUSARI bros.
Neon Genesis Evangelion
Lookism
Serial Experiments Lain
Surface
The Mess You Leave Behind
The Lies Within
Trapped Lemming
The Deal
Brave Animated Series
Light the Night
在下一柱香