Revenge has its own set of rules.

A fireman takes an unexpected course of action when a man whom he's been ordered to testify against—after being held up at a local convenience store—threatens him.
Fire with Fire keeps every mind human — it fights its subject at zero distance. The story fights on E8/E9 of the E0–E14 reality ladder.
Films fighting at the same level of reality, about the same things.
The same preoccupations examined at another scale — one mind versus a nation.