The film also touches on themes of obsession, possession, and the destructive power of unchecked emotions. As Kyung-min becomes more and more consumed by his desire for revenge, he begins to lose himself to his darker impulses, leading to a downward spiral of chaos and destruction.
In Korea, the film is available on DVD and Blu-ray, and it has been broadcast on several cable networks. Internationally, "I Saw the Devil" has been released on various streaming platforms, including Amazon Prime and Viki.
At its core, "I Saw the Devil" is a film about the cyclical nature of violence and the devastating consequences of unchecked emotions. Through the characters of Kyung-min and the serial killer, Kim Jee-woon masterfully explores the darker aspects of human psychology, raising questions about the morality of violence and the true nature of evil.