El Dorado is a historical spy adventure from The Scarlet Pimpernel Series. The story is set in Paris, in 1794, the time after the French Revolution and the guillotine horrors. The plot begins when Sir Percy, the Scarlet Pimpernel, reluctantly agrees to take Armand St. Just, brother of his wife, Marguerite, with him to France as part of a plan to rescue the young Dauphin. Percy warns Armand not to renew any friendships while in Paris, but it doesn't take long before Armand has ignored his warnings and renewed a friendship with the scheming Baron de Batz, who wants to free the Dauphin himself and despises the Scarlet Pimpernel and all he represents...