As the King's health goes into spectacular decline and a troublemaker returns to lay claim to Athos, Sylvie becomes a casualty of the ruthless power struggle enveloping Paris. As the King's health goes into spectacular decline and a troublemaker returns to lay claim to Athos, Sylvie becomes a casualty of the ruthless power struggle enveloping Paris.

The king's exiled brother is robbed of valuable information on his way back to Paris, and the theft could mean the end of Orléans.