London. A snowy December, 1888. Sherlock Holmes, 34, is languishing and back on cocaine after a disastrous Ripper investigation. Watson can neither comfort nor rouse his friend until a strangely encoded letter arrives from Paris.

Mlle La Victoire, a beautiful French cabaret star writes that her illegitimate son by an English lord has disappeared, and she has been attacked in the streets of Montmartre.

Racing to Paris with Watson at his side, Holmes discovers the missing child is only the tip of the iceberg of a much larger problem. The most valuable statue since the Winged Victory has...