It's the obvious thing to say, but it can't be avoided: "Source Code" is the science-fiction thriller version of "Groundhog Day," and that turns out to be not a bad thing at all.
Jake Gyllenhaal as Captain Stevens who is the subject of a top-secret military experiment called "Source Code".
Stevens has a patriotic task, which is to locate and neutralise the madman preparing to detonate it. This he'll do by reliving Sean's last moments in a succession of eight-minute bursts until he's identified his quarry....
Jake Gyllenhaal draws on his customary intensity and inner conflict.!
however, Some people may find that they have problems with the ending. so be careful of that!