In the glamorous big-money world of horse shows in the 1960s, two brothers are riding high. Morgan Caine is a war hero, a respected businessman. His older brother Cyrus learned his craft in the prison yard and the mean streets of Chicago's West Side. Known for his sharp trades and brutal tactics, Cyrus becomes the ringleader of the "Horse Mafia," a man so dangerous even the Chicago Mob gives him a wide berth. The Caines build a thriving industry selling...