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Kong Hyo‑jin’s A Bona Fide Killer Debuts as a Thriller About a Mother Leading a Secret Life

Early episodes heighten risk to her family by showing investigators and her reporter husband closing in on clues that could reveal her vigilante identity.

Overview

  • The series premiered Friday, July 31 on MBC and is streaming internationally on Viki with Kocowa+ also reported as a global platform.
  • Kong Hyo‑jin stars as Yu Bo‑na, a working mother who leads Sales Team 3 by day and operates as the legendary sniper known as Kingfisher by night.
  • Episode 1 opens with Yu Bo‑na returning from a three‑year maternity leave and immediately taking a risky daytime mission that draws media and police attention.
  • Early follow‑up coverage and Episode 2 previews show her family put in danger, investigators finding child‑related clues such as a Baby Shark sticker, and a new poisoning specialist joining Sales Team 3—raising the stakes for her cover.
  • Adapted from a hit webtoon and guided by writer Kim Eun‑hee and PD Yoon Jong‑ho, the 14‑episode thriller blends team tradecraft, moral questions about vigilante justice, and domestic tension that will shape how the investigation and her family collide.