In the midst of the opulent Edwardian Era, the young, headstrong son of the Police Commissioner longs for adventure and a chance to prove himself. When an evening party is disrupted by a band of mysterious masked men, he sees his chance and gives chase, pursuing a rogue thief through the dark streets. But all is not as it seems and adventure quickly turns into something sinister and terrifying, where his only chance at saving London is joining forces with the mysterious Rogue...