The sinister mystery of the mesmerizing girl

Mary Jekyll and her friends return home from Europe to discover that their friend and kitchen maid Alice has vanished--and so has their friend and employer Sherlock Holmes! They discover that the two kidnappings are only one small part of a plot that threatens Queen Victoria, and the very future of the British Empire. Can Mary, Diana, Beatrice, Catherine, and Justine save their friends--and save the Empire?