Rita, a telegraph operator, informed that a freight train which is due to pass her station filled with high explosives is about to be overtaken by a passenger train on the same track with a madman at the controls, leaps onto a handcar, which she crashes into the passenger train and thus stops it; she jumps onto the cowcatcher, and into the cab of the engine, where, after a hard struggle with the fiend, she manages to overcome him and sidetrack the passenger train thus preventing disaster.

At a dance given by Earl Dexter, his wife, for the gratification of a whim, wears a beautiful pearl necklace recently purchased by Viscount Acheson. Craig Dare, who is a gentleman thief, makes love to Earl Dexter's wife, and at the same time succeeds in stealing from her the pearl necklace and handing it out of the window of the house to Tony Oscaros, a chauffeur, who is none other than Dexter, who is leading a dual life.

A Woman's Honor is a 1916 American silent drama film directed by Roland West.