Think of the perfect crime... Then go one step further.

A man who loves games and theatre invites his wife's lover to meet, setting up a battle of wits with potentially deadly results.
Sleuth 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.