18 - Black Motor Car by Harris Burland

Jack Portheous, helplessly smitten by the enchanting Mrs. de la Mothe, finds himself stealing a substantial sum from his employer, planning to elope with her to South America. However, the eve before they are set to leave, Jack discovers his wife dead, leading him to call off all plans and turning himself into a guilt-ridden wreck. Mrs. de la Mothe, not one to be crossed, promptly betrays him to his employer, resulting in Jacks imprisonment for many years. Upon completing his sentence and spending time overseas, Jack comes back to England, consumed by a burning desire for revenge. - Summary by Carolin