"Harry" and "Marvin" are the criminal duo who break into homes during Christmas time due to the absence of families. "Harry" is even seen visiting the McCallisters the day before their departure dressed in a police uniform to make sure that they would not be home for the holidays. Their plan was to break in to the McCallister family home in the days following their departure. What they did'´t expect was "Kevin" making their burglary attempt everything but easy...