Tearing Through (1925)

Richard Jones is the assistant to the district attorney He decides to singlehandedly expose a drug ring that is terrorizing Madison a reformer Madisons son Bob has become a hophead because of the ring and Greer Jones rival for the hand of Madisons daughter Constance is the rings leader The district attorney himself is in league with Greer as well Jones disguises himself as an Asian leaps over tenement roofs beats up a mob of Chinese gangsters and performs several dozen other daredevil feats