La Tremoille reveals to Montmorency his plan to reach an agreement with the English, surrendering the already occupied France to the Burgundy to turn it into an England's satellite nation and create an independent southern French kingdom, using Philippe as a mediator. However, before Montmorency and Richemont can be killed, La Hire and her mercenaries attack the castle and save them. Montmorency and the others then try to save Jeanne and Charlotte from Girald, who threatens Jeanne's life to force Montmorency to surrender his half of the stone; however, Montmorency succeeds in tricking him, and Girald dies after having swallowed the stone without the elixir's protection...