Helen catches two yeggmen who have broken into a freight car which has been detached from a train because of a hot box and are attempting to rifle the safe. The yeggmen escape aboard a passing freight with Helen, who has leaped upon the caboose, in hot pursuit, along with the trainmen.
Helen Holmes
as Helen
Leo D. Maloney
as Billy Garwood - Express Messenger
M.J. Murchison
as Frisco Tommy - Yeggman
George A. Williams
as Spud Hogan - Tommy's Pal
