When a meeting with a client goes disastrously wrong Sherlock Holmes soon finds himself involved in a case of murder with two dead bodies and too few clues. From some clear pieces of glass and a ravens feather the Great Detective must divine exactly who the client was and what prompted him to seek assistance at 221B. Fortunately Holmes has a number of experts upon whom he can rely as well as his own vast store of esoteric knowledge. Treading a twisted path Holmes soon finds himself matching wits