Country bumpkin Frank runs into a gangland shooting, driving the victims to the gangs headquarters. He soon earns a place in Eriks mob. Syndicate head Big John wishes to unite the four gangs in Chicago, but Erik defies them, wishing to remain independent. An assassination attempt forces him to reconsider, and his gang isnt impressed with what they take for his cowardice. This is the point that allows the ambitious Frank to muscle in on Eriks mob, and his moll, Lucie. Franks first move is to hire outside pros, and shoot up a casino of Big Johns, challenging the entire syndicate. Erik, meanwhile, harbors feelings of revenge.