Althea Graham's hypochondriac mother seldom visitsthe gazebo-- yet she is found dead in it one morning.The Graham estate had once enjoyed a rural view, butnow the grounds are part of suburban London and thegazebo is an anachronistic summerhouse. Scotland Yardbecomes suspisious of Althea and her fiance, thedashing foreign correspondent Nicholas Carey, becausethe death of her mother frees them to be married atlast. Miss Silver is fortunately a friend of Althea'sand comes to the rescue, complete with knittingneedles, a gentle smile, and the preception of a mindreader.