Joe Ryan, a veteran train engineer, is demoted to a flagman position after a disastrous crash-- one caused by his cowardly and opportunistic partner. Though Ryan's failing eyesight is named as the cause of the crash, he's undeterred as he designs an automatic braking invention.
Director: Frank O'Connor
Story: F. Oakley Crawford
'Jovial Joe' Ryan
Grace Ryan
Jack Milford
Bert Steele
'Roadhouse' Rosen
'Unhandy' Andy
Jim Brennan