 Dan McGinty, originally just a hobo, proves his toughness to a mob boss who takes him in. He earns the position of alderman, and then mayor, in a corrupt city administration. Along the way he enters a marriage of convenience with Catherine. Good natured Catherine gives him the appearance of a family man which Dan rides to the Governorship. When Catherine convinces him to do some real good with his authority, the mob boss is not so agreeable...