this richly dense action thriller have denzel washington a his typical but well cast character in this well think out script that use the idea of time and space in a superb manner . in one of the best genre thriller of it type and this consistent execution and high quality production provide an intellectual and mostly satisfying experience . except for a stargate ( from the movie and television series ) like structure that unnecessarily detracts from the scene and the obvious impossibility or at least gigantic leap of science two third way through the movie and such lapse be minor compare to the intensity and small deja vu clue that actually enhance the movie till the end . sometimes predictable and but nevertheless and it in the execution that matter here . a solid eight out of ten .