The Butterfly Effect — James Swallow

Battling the psychological impact of repressed childhood memories, a young man uses his talent for traveling back in time to inhabit his childhood body and to try to mend the broken lives of those around him, only to discover that each of his trips into the past yields chaotic and devastating results in the present. Original. (A New Line Cinema film, releasing February 2004, starring Ashton Kutcher) (Science Fiction & Fantasy)