In the fashionable mansions on Chestnut Hill, a simple green baize door separates the masters’ world from the servants’. That door is thrown wide when an elderly housekeeper is found brutally murdered on the first day of the new century. Marie Chevalier, the housekeeper’s poor but ambitious granddaughter, and James Lett, the mansion owner’s kind but indolent son, suspect the killer is connected to one of their families—but which one?

From drawing rooms to alleyways, their separate investigations lead them through the sometimes lavish, sometimes brutal, landscape of turn-of-the-century New England. When long-buried secrets begin to unravel the fragile threads that hold both households together, Marie and James must find a way to bridge the gulf between them—if only to prove that the murderer belongs not to their own world, but to that strange and foreign land on the other side of the green baize door.

Inspired by real-life events, The Green Baize Door is a richly layered historical mystery that explores themes of class identity, family loyalty, and the sometimes blurry line between virtue and vice.