Donna Galbreath assumed that her beloved town of Cedar Harbor would return to its peaceful existence after she and her neighbor, Cyrus Bates, solved the murder of a victim she had found on the beach. Then the town's inept police chief, William Donniker, dies suddenly at a function honoring him. Monkshood, the same poison used in the beach murder case, is the cause of death -- and the monkshood held in the police evidence room is missing.