A History Of Violence follows the story of a small town soda shop owner by the name of Tom Mckenna. In an unfortunate turn of events, two wanted killers stumble into Tom’s shop demanding money and have every intention of killing Tom. A couple of seconds later one of the killers is dead and the other is intensive care. Tom becomes an instant hero and is thrown into the public eye. Too bad for Tom the past never dies, and his deep dark past is revealed, and the law-abiding, mild mannered Tom Mckenney turns out to be some much more…