Sure, it’s left him feel guilty, but what worse is the lost memories of something his brother had said as he was dying in Sam’s hands. His face to the latest discovery news about Gordon Dunn (Martin Donovan), a machine that can record someone’s memories, so attended the lecture saw the results, but that night Dan died in a very suspicious situation. It seems to be a natural cause. As the mystery unfolds, Sam decides to steal the machine and do his own dig, hoping to use the machine to clean his past while studying what really happened to Dunn, although someone is approaching.