"Death by Design" is a comedic murder mystery play that blends the witty dialogue of Noel Coward with the intricate plotting of Agatha Christie.  The story revolves around a playwright and his actress wife who retreat to their country home after a disastous play opening.  A series of unexpected and quirky guests arrive and one is murdered.  The feisty maid, Bridgit, takes is upon herself to solve the crime, navigating a web of suspects and hidden motives.