Rivah Half-Elven is a master thief of the Court of the Masked King, the thieves' guild of Tar-Carmatheion. When her old friend Killian the halfling alchemist needs a rare ingredient for a potion, Rivah agrees to help. 

But the ingredient is in the stronghold of a ruthless wizard, and it will take all of Rivah's skills and wits to survive...