In prohibition era Chicago, the corrupt sheriff and Guy Gisborne, a southside racketeer, knock off the boss Big Jim. Every one falls in line supporting Guy Robbo, who controls the north side. Robbo wants to keep their territory although he's outgunned. A pool-playing dude out of Indiana and the manager of a boys' orphanage and Robbo join forces. And, if he gives a little money he becomes the toast of town for a hood like Robin Hood. Meanwhile, Guy schemes Big Jim's heretofore unknown daughter, along with to knock out Robbo looks and goes from man. Can Robbo hold things together?