It began as a problem in one of Holmes' beloved beehives, led to a murderous cult, and ended with a daring escape from a sacrificial altar. Mary Russell and her husband, Sherlock Holmes, have stirred the wrath of those they've thwarted. Now they are separated, on the run, and pursued across the Continent by a ruthless and powerful enemy.
Russell and Holmes will have to survive this time apart, and with Holmes' young granddaughter in her safekeeping, Russell will have to call on instincts she didn't know she had. From secret rooms in London to rickety planes over Scotland, they embark on the most complex, shocking, and deeply personal case of their career.

Released at the Alma in Melbourne. But where will it go next?