"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 (in the pay of the Austrian government), who wants to free the Dauphin himself and despises the Scarlet Pimpernel and all he represents.