Horatio Leavenworth, a wealthy and widowed philanthropist, raises his two beautiful orphaned nieces, Mary and Eleanore. One of the cousins, Mary, is his designated heir. When Mr. Leavenworth is murdered in mysterious circumstances, a young lawyer is called upon to support the distraught cousins. At the coroner’s inquest it becomes clear that the perpetrator can only be a member of the household—but no positive evidence is found to incriminate anyone....