Moroccan Tariq Alaman approaches the court with the offer of the formula for a super-strong explosive if the musketeers will help him rescue his daughter Samara from Spanish agents who want the formula themselves. The rescue attempt is bungled with several innocent bystanders being killed and the wounded Porthos also taken captive. Under cover of seeming to deliver Tariq to the Spaniards the musketeers attempt a second rescue bid with mixed results. Meanwhile the dauphin is ill and both Milady and Rochefort attempt to exploit the situation but it is Constance who takes matters into her own hands to save the baby's life.