The defense attorney who was unable to obtain the acquittal of an innocent young man concocts a complicated and diabolical scheme to revenge himself upon the prosecutor.

Ruth Merrill and her father both are serving prison terms but her's is lighter and she is released. She becomes the wife of the wealthy Dr. Richard Boulton, who knows nothing of her past. Ruth's father escapes from prison and the unscrupulous detective, the same one who sent both to prison while knowing Ruth was innocent, is sent on Merrill's trail.