Twentyyearsago,oldMrs.Barlowwaskilledinherhomeat12,PimlicoSquareforherpricelessrubies.Themurderersearchedthewholehousewithoutfindingthem,thendisappeared.Thehousehasbeenemptysincethen,butnowPaulandBellaMallenmoveintotheapartment.BellaMallensuffersfromforgetfulnessandnervousness-atleastthatiswhatherhusbandtellsher.An...