"I will kill you when you are in the most pain... When you're in the most pain, shivering out of fear, then I will kill you. That's a real revenge. A real complete revenge"
How's this for a plot: I Saw The Devil is a film about a secret agent who blurs the line between good and evil in order to seek revenge on the serial killer who killed his pregnant fiancee after becoming his latest kill.
Sounds like a…