The Adventure of the Treacherous Trust

A beautiful, brilliant young woman attracts the attention of a wealthy, older gentleman. He insist that she join the board of directors of a popular charity, run by his son. A meeting of the directors is held at the family estate. She attends and quarrels with the son. An hour later, she falls off the roof terrace. Nobody can believe that her death is anything but a tragic accident. Nobody, that is, except her sister, Miss Violet Westbury.