James West is dispatched to a town after the U.S. receives a warning of an impending catastrophe. The Secret Service agent is unable to prevent the town's mayor from blowing up a new railroad trestle.

Cast: Robert Conrad, Ross Martin, William Schallert, Christopher Cary, Michele Carey, Jackie Coogan, John Harding, Robert Ellenstein, Bernard Fox, Valentin de Vargas, Harry Lauter, Roy Engel, Vic Perrin, Norman Leavitt, Ron Pinkard