This time, it's worse than that. Mab's involved Harry in a smash-and-grab heist run by one of his most despised enemies to recover the literal Holy Grail from the vaults of the greatest treasure horde in the world - which belongs to the one and only Hades, Lord of the Underworld.
Dresden's always been tricky, but he's going to have to up his backstabbing game to survive this mess - assuming his own allies don't end up killing him before his enemies get the chance . . .