"On a sunny day in July 1815, thirty-eight-year-old Philippa, Lady McKinsey, takes her sixteen-year-old daughter, Emma, and her young niece and nephew, fifteen-year-old Arabella and thirteen-year-old Percy, on an outing to Richmond Park. But when Arabella and Percy go off to pick flowers, tragedy strikes. Shots echo across the park. Two young gentlemen investigate and find Lady McKinsey and her daughter dead. As the men gaze in horror at the strangely...