Bank official Hanlin Davis is ruined in the stock market. Desperate, he fails to rob the bank but kills someone in the attempt. His wife Thora goes to D.A. Hastings to plead for a light sentence which the corrupt Hastings agrees to only if Thora gives herself to him. Upon his release the worthless Davis learning of her sacrifice divorces and turns her into the street. An outcast she becomes "the scarlet woman.” When wealthy crusader Robert Blake institutes an investigation exposing D.A. Hastings he is disbarred and decides to revenge himself upon Thora, considering her the cause of his downfall. Blackmailing unscrupulous society woman, Paula Gordon, he forces her to introduce Thora to Blake as a naïve woman while deceiving Thora that he knows about her past. After they marry Hastings denounces Thora, she flees, returning to her old life, but Blake, seeing her worth seeks her and they reunite.