Hidden Object: Sherlock Holmes

London, shrouded in fog, is once again shaken by a mysterious crime. A famous professor and his students disappeared under strange circumstances. The room is locked from the inside. The footprints end on the floor. The last entry in the diary reads: "They are already close."
As Sherlock Holmes, you travel to the heart of crime. What really happened here? A hoax? A conspiracy? Or a carefully planned murder?
🕵️‍♂️ Investigation features: 🏚 Crime scene — fingerprints, missing evidence, signs of a struggle and an encrypted letter. The dark alleys and clubs of London are secret societies, conspiracies and silent witnesses. Archives and evidence — old newspaper clippings, double-bottomed objects, and contradictory testimony.
Your deduction is the only thing that can unravel this web of lies. Will you be able to get to the truth in a case that shocked even Inspector Lestrade?