Honor Bound is a 1928 American silent drama film directed by Alfred E. Green and starring George O'Brien, Estelle Taylor and Leila Hyams.
Evelyn Mortimer (Estelle Taylor) accidentally kills her husband. A self-sacrificing youth John Ogletree (George O'Brien) takes the blame for the crime and goes to prison. Evelyn marries mineowner Mr. Mortimer (Tom Santschi) and gets Ogletree, who is imprisoned nearby, to be her chauffeur. Mr. Mortimer discovers their affair, mistreats Ogletree, and sends him into the mines.