Georgia Ice

London police detective Maeve Kerrigan has spent plenty of time at Murchison House. One of the many cement high-rise towers comprising the Maudling Estate housing project, Murchison House is home to a motley mix of society. From domestic abuse victims and elderly widows with nowhere else to turn to its flourishing criminal elements, Maeve is familiar with many of its occupants by name or reputation.

When a peculiar letter arrives inviting Armand Gamache to an abandoned farmhouse, the former head of the Sûreté du Québec discovers that a complete stranger has named him one of the executors of her will. Still on suspension, and frankly curious, Gamache accepts and soon learns that the other two executors are Myrna Landers, the bookseller from Three Pines, and a young builder. None of them had ever met the elderly woman. The will is so odd and includes bequests that are so wildly unlikely that Gamache and the others suspect the woman must have been delusional.

Under the cover of "Sherlock Holmes, consulting detective", Charlotte Holmes puts her extraordinary powers of deduction to good use. Aided by the capable Mrs. Watson, Charlotte draws those in need to her and makes it her business to know what other people don't. When the estranged wife of her dear friend Lord Ingram is discovered dead on his estate, all signs point to him as the murderer. With Scotland Yard closing in, Charlotte goes under disguise to find out the truth.

Harmony House is more than a “special place for special people.” It’s a think tank where high-functioning autistic savants harness their unique abilities for the benefit of society. Resident Eddie Parks’s contribution: an “echo box” that can re-create never-recorded sounds using acoustic archeology. All Eddie wants is to hear his late mother’s voice. But what he’s created is inadvertently posing a threat to national security. To Harmony House’s shadowy government backers and radical extremists, the echo box is the ultimate intelligence asset - an end to the very concept of secrecy.