A Bona Fide Killer S1E1 — Episode 1
8.1

Episode 1

8.1/10 · 63 votesJul 31, 202662 min

Ranked #10 of 14 in Season 1•−0.3 vs season avg

Discussion

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

Seasons1

Season 1 Episodes14

Cast11

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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Episode Summary

"Episode 1" is episode 1 of A Bona Fide Killer season 1. It scored 8.1/10 from 63 votes, ranking #10 of 14 episodes this season (season average 8.4). It aired on July 31, 2026.