Maximus Batten, Duke of Wakefield, lost his parents at the hands of criminals as a child. Now, at night, the young aristocrat turns into a mysterious masked avenger nicknamed the Ghost of St. Giles and wanders through the seedy places of London in search of killers. But one day, late at night, Maximus saves Artemis Graves from death - a modest girl with the soul of a born warrior, ready to do anything to save her brother from captivity. This meeting becomes the beginning of the most dangerous adventures and ardent, passionate, crazy love for Maximus and Artemis...