A barrel chested man stalks the late-night passengers on a subway train. He assaults and kills several people with a meat hammer and a butcher's hook. Leon is a photographer who heads into the city's subway system at night to take photographs. One night he saves a woman from a gang that is abusing her. The next day she is missing. He begins to investigate disappearances. His investigation leads him to a butcher named Mahogany, who he suspects has...