Strange things are happening in Tokyo. As war with Russia looms, the city is plagued by strange electricity storms, while the staff at the British Legation have gone on strike, claiming that the building is haunted. Thaniel Steepleton is sent over from London to act as interpreter, bringing with him his partner, Keita Mori the watchmaker, their adopted daughter, Six, and Mori's clockwork octopus, Katsu. The enchanting sequel of "The Watchmaker of Filigree Street".