Cult Hunter is a gripping mystery thriller following three brothers determined to uncover the truth behind their father's mysterious death in 1994. Thirty years ago, their father died while exposing the dark reality of a dangerous cult. Today, his three sons—a theologian, a cult counselor, and an Anglican priest—carry on his legacy in their own unique ways. Together, they track the sinister influence of cults still deeply embedded in Korean society. As they dig through forgotten archives, buried testimonies, and navigate persistent threats, the brothers find themselves closing in on the long-hidden truth. What really happened three decades ago, concealed beneath layers of faith, madness, and silence? This suspenseful investigative drama explores the dark underworld of modern belief systems and a family's relentless pursuit of justice against all odds.