Deckscape The Fate of London

An undercover agent has chosen you from among the best Scotland Yard detectives for a top secret mission!
A terrible threat hangs over London, and it is up to you to fix the problem! You have to find four devices hidden in secret locations and defuse them before midnight: a single mistake and the situation could degenerate...
Are you able to solve the singular puzzles of this adventure and find a way out in time?