The whole town of Tinker's Cove is looking forward to the celebration marking former librarian Julia Ward Howe Tilley's ninetieth birthday. Lucy Stone, Miss Tilley's closest friend, dreamed up the party idea at about the same time she decided she's not getting old without a fight. That sounds like a plan until Lucy realizes her daughter's fourteenth birhtday bash, a coed sleepover may turn her hair white overnight. What was she thinking when she agreed to let Sara have the party? On her mind, instead was the shocking death of Sherman Cobb, the town's oldest attorney, an apparent suicide. His law partner, however, thinks Sherman was murdered. Poking about in Sherman's papers, Lucy turns up an intriguing tie between the dead man and Miss Tilley, Meanwhile Miss Tilley's own past has come back to haunt her in the form of a mysterious niece named Shirley and a biker great-nephew named Snake. Soon no one can get to see the elderly librarian because the brash, bossy Shirley says she's failing. Now as a killer's ruthless plan rushes toward a conclusion, Lucy needs answers fast or else she and Miss Tilley won't live long enough to make a wish and blow out the candles on this year's birthday cake...