 Notara is a republican agitator and the d'Ercourt family are being condemned as traitors.Fanshawe has thoughts for no-one by Aline, but after realising that Notara still has deep feelings for Aline, the Pimpernel wants to save him, as well as the whole d'Ercourt family from their inevitable fate under the guillotine.Dressed as musicians (see Sir Percy Leads the Band), the league are able to influence the happenings at the Chateau, but can Sir Percy stop Fanshawe's jealousy from ruining everything?