Desc: Under Oath: Directed by George Archainbaud. With Elaine Hammerstein, Mahlon Hamilton, Niles Welch, Carl Gerard. Shirley Marvin agrees to marry the degenerate brother of her father's business rival, Jim Powers, but when the brother gives evidence against Jim to the district attorney and is murdered, Jim is arrested. He is saved by Shirley's testimony, and in the end Jim and Shirley marry.