In the grey mist of the early morning a body is dumped on the shore of the Thames by a boatman in a metal canoe. The city is soon alive with talk of the savage Esquimaux stalking Victorian London and an eye witness who claims the killer had an accomplice: a tall woman dressed in widow's weeds, with the telltale look of the degenerate Irish. Branna 'Birdie' Quinn had no good reason to be by the river that morning, but she did not kill the man. She'd...