In a dark and grimy steam-powered alternate history, Holmes and Watson are still on the case! In this gothic horror-tinged retelling of the classic duo, they'll face down the legendary Doctor Jekyll and Mister Hyde, a villainous card playing automaton and the mystery of a hulking monster shot down in an opium den. Who could be behind all these Machiavellian schemes? Holmes only has one clue... M.O.R.I.A.R.T.Y...