"Evan" (Ashton Kutcher) has had a troubled existence thus far in his young life, and is prone to blackouts. These seem to take chunks of his day away from him as he comes back to a consciousness unaware of what has just taken place, or even where he is! He tries to fill in the gaps by writing in his journal what could have happened then miraculously finds himself back at that exact time and place. It's almost as if these memory lapses were just missing pieces of his jigsaw puzzle that he must go and relive, retrospectively, and infill. The thing is, though, he doesn't readily consider the impa...