Retiree sleuths Lilian and Ada find that though their town might look postcard pretty, theres something rank festering below the surface . . . Lilian Campbell and her best friend and lover, Ada Strauss, are woken early by the sound of sirens the local nursing home, Nillewaug Village, is ablaze. The police and fire chiefs find evidence to suggest the fire was accidental, but Detective Mattie Perez cant help but wonder why the smoke alarms didnt work. Soon, its looking less like accident and more like arson . . . and Lil and Ada are swept up into an investigation that grows increasingly more complex, and frightening, by the hour.