The year is 2023, five years after the assassination of President Emily Forrester, and Dr. Gideon Wolfe is a criminologist and professor in New York City. He is visited by the widow of a murdered man who wants Gideon to track down her husband`s killers. She provides him with a computer disk containing a video of the president`s assassination--a video that proves that the official version of the event has been doctored, perhaps by her husband, who was a special-effects genius. This work of future history is by the author the the best selling novel THE ALIENIST.