Showing A Judgement in Stone by Ruth Rendell

Four members of the Coverdale family - George, Jacqueline, Melinda and Giles - died in the space of fifteen minutes on the 14th February, St Valentine's Day. Eunice Parchman, the housekeeper, shot them down on a Sunday evening while they were watching opera on television. Two weeks later she was arrested for the crime. But the tragedy neither began nor ended there...