Tavara Tinker leads a double life. By day, a proper Victorian lady. By night, deep in the heart of industrial London, she maintains a research laboratory and a steam-powered factory where she creates the clothes and weapons for a new generation of adventurer.
Tavara and her quirky band of intrepid heroes visit Paris on a quest to obtain a rare fabric for a client, only to discover they're not the only ones with an interest in it.