It’s August in Goosebush, Massachusetts, and go-getter retiree Lilly Jayne and her youthful senior pals show no sign of slowing down during the lazy days of summer. But when murder mows over a pesky local, could a Garden Squad member be nurturing a deadly second act?

While Lilly digs into a town beautification project, her friend Tamara O’Connor has greater concerns than well-pruned geraniums. The real-estate firm owner hasn’t been shy about blaming perennial grouch Gladys Preston for thwarting her many attempts to sell off a beautiful beachside property. But accusations fly when Gladys is suddenly found dead—and Tamara is caught standing over the body with a bloody weapon in her hand.

As Tamara becomes the prime murder suspect, Lilly and the Garden Squad ladies set out to prove that someone planted the evidence. With a potpourri of alarming clues scattered around Goosebush, cracking this case means confronting a calculating culprit with a penchant for cutting down anyone who gets in the way...