A bright, shiny tin can in a dark, cobwebby corner of the cellar preserve shelf — unlabelled and empty! Mrs. Gentrie, the meticulous hose-wife, was annoyed but not too upset. Her sister-in-law Rebecca was exited and suspicious. Delman Steele, their new young boarder, was quietly interested... Then things began to happen. A man and his housekeeper were found missing from the house next door. Wil...