A Bona Fide Killer

Yoo Bo-Na appears to have a picture-perfect life as a devoted wife, loving mother, and ordinary office worker. Behind her seemingly normal routine, however, she harbors an extraordinary secret—she is "Kingfisher," a legendary sniper who works for a clandestine organization that eliminates dangerous criminals beyond the reach of the law. After returning from maternity leave, Bo-Na must navigate the challenges of balancing her perilous missions with family life while keeping her true identity hidden. Meanwhile, her husband, newspaper reporter Kwon Tae-Seong, begins investigating the mysterious assassin known as Kingfisher, unknowingly drawing closer to the truth. Blending action, comedy, romance, and family drama, the series explores the complications of living a double life while protecting the people who matter most