The world no longer holds any mysteries for Simon Archard, the greatest detective of his age. The stupidity of the common criminal, the ease with which he's caught, the paltry stakes of the game, all of it has pushed Archard to the verge of retirement. Then a mysterious new menace takes the stage, a hideous evil playing for very high stakes indeed. Aided by his beautiful and charming assistant, Emma Bishop, Archard embarks on the case of his career. Ruse is an ongoing duel of warring masterminds held under the cold glow of gaslights.