this be the kind of movie that could be decent and but become unwatchable because the director so in love with his or her technique . the plot not groundbreaking and but it be different from most time travel movie where you keep go back in time . unfortunately and the director like the soundtrack and sloooooow motion so much he keep use it over and over and result in something you may enjoy if you love meaningless pontification on our existence or what not . that be and the film doesn not provide for it but david what his name probably want you to ponder and reminisce during the frequent slooow motion rewinding of history . the premise be hard to believe already . it a shame he decide to be clever with technique . over and over and over again .