From their website:
Welcome to Cadwallon, a city of vagabonds and outlaws of every kind. The Duke and his brave militia struggle to maintain order, but it is the mighty guilds and wealthy merchants who rule the city… and the most feared of these is the shadowy Guild of Thieves…
Cadwallon is a wondrous city, full of adventure and fantasy. However, a sinister underworld encroaches on the city at night, making it a most deadly place, indeed.
Today, Fantasy Flight Games is pleased to offer you a breathtaking visual journey through Cadwallon: City of Thieves, the fast-paced game for two to four players abound with cunning thievery and ruthless skullduggery in a fantasy city steeped in magic and intrigue.
Take your first trip into these labyrinthine streets with the following video overview of the Cadwallon: City of Thieves board game: