Another one based on an actual short story by an actual SF author, Paycheck is about an engineer who takes out contracts from big companies that want to keep their projects secret, then after the job has his memory wiped clean of the evidence. Enter a really big long-term project and his troubles begin.

The promos on TV are already telling one of the key points of what this project is when they should keep it secret, seeing as how it's one of the things the main character has to figure out, so I won't go into any detail about that part of it. After the project is done and his memory erased, it seems to him as but a few moments have passed, not months or years, but when he goes to pickup his paycheck he instead finds an envelope of apparently random items or no significance to puzzle over... while trying to save his own life over something he can no longer remember.

The plot is well scripted, with an intellectual edge, yet has enough action to keep it away from art-house status. Just the thing for any true SF fans, just like an novel projected out onto the screen. Good plot, good tension, respectable acting, overall a good movie. Just the sort of thing to engage the brain a bit (though the explanation for the physics behind how the big gizmo works is a bit flakey, even by SF standards).