Desc: Code of Honor: Directed by J.P. McGowan. With Mahlon Hamilton, Doris Hill, Robert Graves, Stanley Taylor. Cardsharp Jack Cardigan decides to go straight when he meets Doris Bradfield, but is forced to use his talents on behalf of her dad, whose land-grant title has fallen into the hands of Jed Harden through the gambling weakness of Bradfield's son Tom.