While episodes 1 and 2 featured Beth and Cat stone respectively, episode 3 features the third crime-writing sister, Jane. The focal point is a local theatre where a theatrical adaptation of one of Jane’s books is being mounted. A sudden death brings Mattie back to investigate and it’s quickly established that this is a murder… but another killing raises the stakes and the danger for our intrepid sleuth Mattie Stone and her three sister-aunts …