Identity

This fanciful murder mystery builds up to a whopping twist that just about holds together when you replay what came before.

Scary beyond belief serial killer thriller.

In fact, when the third act trickery comes on strong, it's Cusack who's given the responsibility of selling it to the audience. That he does this isn't really a surprise, that he makes it so profoundly affecting is.

When all is said and done, Identity has basically done what it sets out to do, which is to get you entangled in its mystery and trying to guess who the culprit is (on top of how it relates to its other seemingly-unrelated plot thread).