As October of 1900 draws to a close, London’s foggy, lamplit streets are hit by a string of burglaries which puzzle Scotland Yard. When they culminate in a gruesome murder, Sherlock Holmes is called in to investigate. But has he put the wrong man behind bars? In this atmospheric mystery, an Indian Detective seeks answers with the help of his assistant Madeleine Carmichael. With a touch of humour and a great deal of determination, the unconventional duo must use the most modern techniques to unravel the depths of human cunning.