Who is the Spirit of St. Giles - a mysterious man dressed in a costume and a harlequin mask that helps the poor and helpless and who, even in the current difficult situation, searches in the poor Quarter of St. Giles after an illegal sewing workshop in which small girls abuse for work? This is trying not only the royal dragons and young nobles who chase him as the alleged murderer Aristocrat Fraser-Burnsby, but also Lady Isabel Beckinhall, one of the ladies that created a syndicate to support orphanage in Maiden Lane. an angry crowd. But before finding out who goes to the Spirit, the mysterious man disappears again ...