Oath-Bound

Directed by Bernard J. Durning

With Dustin Farnum, Ethel Grey Terry, Fred Thomson, Maurice 'Lefty' Flynn and Norman Selby

Wealthy shipowner Lawrence Bradbury is determined to catch silk thieves who operate by means of his ships. His brother Jim, the ringleader, hoodwinks Lawrence into thinking he is a revenue officer. The skipper and a friend are suspected, but the friend proves to be the revenue man and the crooked brother is caught.