Mystery, intrigue, infiltration. The inner politics of an active thieves Guild. The Thieves Guild Fence, Tessa, knows the head of her Guild is trying to kill her. But there is more at stake than their lives, the very soul of the Guild is in peril. Tessa turns to a party of adventurers to find evidence of the Guild Master's betrayal, uncover his shadowy benefactor, and support her in an All-Masks meeting to determine the fate of the Misbegot Thieves. As well as an adventure, this book can also be used to give you the framework of a Thieves Guild in an agnostic setting and offer quest seeds for follow up quests working to get the Misbegot Thieves Guild back on track. Sharpen your knives and prepare for war.