Angela Benbow and Caledonia Wingate and two reluctant pals in their retirement community shrug off their infirmities and take to the investigative trail when one of their own, a not-so-sweet busybody named Sweetie, is found murdered on the beach.

The four not-so-gentle ladies realise what the young investigating officer has trouble accepting that even the most seemingly docile among them may be provoked into taking a life, even a series of lives, if the pleasure of the time they have left is threatened.