As of my last update, the movie might be available on various streaming platforms that specialize in Korean cinema or international films. Services like Viki, KBS World TV, or Amazon Prime Video might have it in their catalog.

"I Saw the Devil" tells the story of Kyung-in (played by Choi Min-sik), a high-ranking police officer whose daughter is brutally murdered by a serial killer named Soo-jin (played by Lee Joon-jae). Driven by a father's rage and a desire for justice, Kyung-in resorts to illegal methods to hunt down and torture Soo-jin, pushing the boundaries of the law and his own morality.

"I Saw the Devil" is a 2010 South Korean thriller film about a young woman who seeks revenge against the man who killed her boyfriend.

Available for digital purchase in many regions. 🔥 Why "I Saw the Devil" is a Must-Watch