Behind Stone Walls: Esther Clay, wife of District Attorney John Clay and mother of attorney Bob Clay, is having an affair with Jack Keene. Scorned by him Esther kills Jack. Bob comes to her defense and confesses to the shooting. The father prosecutes the son who receives a life imprisonment sentence. Jack Keene's butler Druggett knows the truth and blackmails Esther. Bob's girlfriend Peg Harper summons John Clay to the scene...