London, 1888. The discovery of a corpse reopens the case of a dangerous serial killer who has killed at least 145 victims.

You find yourself at a crime scene and you have only 60 minutes of time to analyze all the clues, find out the identity of the killer and catch him before he manage to vanish again into nothingness.

You will have to show all your skills of deduction and observation to avoid overlooking any possibility and not miss any particular clue. You’ll have on pair of the famous detective Sherlock Holmes. Elementary watson!