The Man in the Iron Mask Chapter XL - The white horse and the black

In which D’Artagnan pursues the elusive M. Fouquet on a white horse through the fields and roads near Nantes, the tension mounting with every gallop and desperate effort to overtake the fleeing figure. The chase ends with an unexpected capitulation, and as they make their slow return, a secret word is entrusted that hints at loyalties yet to be revealed.