An utterly preposterous but entertaining sci-fi action brain-bender, this "what if?" tale makes high-tech hay with the idea that deja vu isn't just a hiccup in the neural circuitry.
It begins on Fat Tuesday: New Orleans' Canal Street ferry, packed with Mardi Gras revelers, blows up just beneath the Crescent City bridge. The first responders include crack ATF agent Doug Carlin (Denzel Washington), a Big Easy native who quickly spots telltale signs that this was no accident: It was a deliberate bombing. Then his fledgling investigation takes a curious turn: The mutilated corpse of a young woman named Claire Kuchever (Paula Patton) washes ashore, apparently a blas...