A sinister plot unfolds! A deadly explosive has been concealed within London's iconic clock tower by the devious Professor Moriarty, and Holmes and his companions must race against time to neutralise it - yet treachery lurks in their midst. Collaborate to dismantle the device's circuitry, but with loyalty uncertain amongst your ranks, you must choose your confidants wisely. In this nail-biting adventure filled with deception, suspense, and high stakes, will you maintain your composure to rescue the capital, or will the brilliant criminal mastermind succeed in his dastardly plot?