The Widower is a three-part drama from ITV Studios based on the crimes of convicted murderer, Malcolm Webster, played by Reece Shearsmith (Psychoville, The League of Gentlemen, A Field in England).The Widower tells how, over a 13 year period Malcolm Webster set about poisoning and murdering his first wife, attempting to do the same to his second wife and moving on to a further scheme to deceive his third fiancée.