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.

Genres

Cast

Ralph Lewis

'Jovial Joe' Ryan

Jean Arthur

Grace Ryan

Hugh Allan

Jack Milford

George Chesebro

Bert Steele

Sidney Franklin

'Roadhouse' Rosen