Psycho Killer
2026 · Crime

Now streaming · 5 credits

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“Abandon all compassion.”
Kyung-chul is a dangerous psychopath who kills for pleasure. Soo-hyeon, a top-secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take vengeance against the killer, even if it means that he must become a monster himself.
I Saw the Devil (2010) is a thriller/horror film running 2h 24m, directed by Kim Jee-woon. It is available in HD on Cineby for 5 credits. Create an account, add credits and the unlock is yours permanently. Use the player controls for subtitles, quality and fullscreen.
Once unlocked, the film starts in the player at the top of this page. If the first source is slow, the player rotates to a backup automatically. Your purchase is stored in your account, so I Saw the Devil opens straight into playback on any return visit. Progress is saved on this device.
I Saw the Devil costs 5 credits on Cineby. Credits are $1 each, and an unlock is permanent — once bought, the film stays in your account and can be rewatched without paying again.
Yes. Create an account, add credits, then unlock the film. Signing up is free and only takes an email and password.
Yes. The purchase is attached to your account, so returning to this page later opens the player directly. You are only charged once.
I Saw the Devil was directed by Kim Jee-woon.
Yes. Cineby is responsive and the player works in mobile browsers. Tap fullscreen on the player for a larger picture, and use the CC control for subtitles.
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