Suffering from bald patches thanks to a hair conditioner spiked with depilatory cream-supplied by the murderess in her last investigation-Agatha escapes to the coastal resort of Wyckhadden to allow her crowning glory to recover in privacy. A local witch provides her with hair tonic and Agatha's lost locks begin to grow-but then the witch is found bludgeoned to death. The elderly residents at Agatha's faded hotel seem innocuous enough, if a little odd. But, as she inquires into the murder she turns up an alarming number of secrets.