“Source Code” is a thriller wrapped inside a science fiction puzzle with some time travel thrown in. I’m Bill Kurtis for Roger Ebert. Jake Gyllenhaal stars, as a man who finds himself on a Chicago commuter train, inside the body of a stranger, and talking to a woman he doesn't know.
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That's Michele Monaghan as the stranger on the train. Gyllenhall discovers that his real self is being used in a national security program. A bomb is about to destroy Chicago, and he has been placed inside the mind of a man who may have the key to preventing that.
Vera Farmiga plays the head of the agency conducting the experiment, which involves inserting Gyllenhaal's mind into the memory of a dead train passenger.
Again and again, he revisits the last 8 minutes of that fatal train ride. He can't change what has already happened…or can he?
“Source Code” is somewhat bewildering, but it's supposed to be. The most touching scene involves Gyllenhaal's sympathy for the passenger he knows is about to die. The movie was directed by Duncan Jones, who made the excellent sci-fi movie "Moon" a few years ago, and has made another good one.