It is the height of summer in Elizabethan London, and up and coming playwright Christopher Marlowe is in a spot of bother.

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Having been a spy for Sir Francis Walsingham since university, he has been hiding from his spymaster and his creditors in favour of enjoying the low life thrills of England's capital city.

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Alas for Kit, a priceless diamond has been stolen, apparently by a cabal of wizards, meaning, between rehearsals of his new play Tamburlaine The Great Part 2, it is Kit's job to recover the gem in time for the Lammastide Revels.

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Meanwhile, savage murders have been taking place all over London, which the authorities are attributing to packs of wild dogs...