A mysterious man captures Oscar's attention at a masked ball. A Halloween-themed short story.

With his musketeer friends happily paired up, Porthos is longing for something more in his life. A year after Belle-Isle, a new adventure awaits the musketeers. Fraught with conspiracies, extraordinary inventions and eccentric inventors, the musketeers are thrust into the unconventional life and bizarre world of the unruly Comtesse de Dandurand.