In this western, the locals are being plagued by "Black Death" an evil outlaw who shoots victims with chemical bullets that turn them black. He is pursued by a brave Texas Ranger. When the ranger learns that the killer is following a wild West show --the one the ranger used to work in--the hero rejoins. He soon catches up to the crook and ends up following him to Mexico. A deadly gunfight ensues and the Black Death finally dies. ~ Sandra Brennan, Rovi