Paris – early 17 Century - a world of political intrigue where no-one can be trusted.
The main characters and their relationships are introduced: Louis XIII and Anne of Austria and their loveless marriage; Cardinal Richelieu; a love affair between the Queen and the Duke of Buckingham.
D’Artagnan prepares to leave for Paris to become a Musketeer.
Milady de Winter and the Count de Rochefort have captured Buckingham’s servant, stealing his official letters. D’Artagnan interrupts, saving the servant’s life. Rochefort turns on D’Artagnan, who is distracted by Milady’s beauty. Leaving him alone, Rochefort and Milady ride on to Paris.
The Streets of Paris
Excitement reigns during preparations for a Ball celebrating the King and Queen’s anniversary while for Madame Bonancieux and her washer women it is an even busier day than normal. The Three Musketeers interrupt the work with their playful antics and even try to keep their friend Constance, a lady in waiting, from attending to the Queen. D’Artagnan arrives, dazzled by what he sees. He separately manages to insult all three Musketeers and ends his first day in Paris with little hope of surviving the three duels of the following day.
Queen Anne's Secret Chamber
Queen Anne secretly meets the Duke of Buckingham.
The Throne Room
The King and Queen celebrate their wedding anniversary during which the King presents the Queen with a magnificent diamond necklace.
The Queen's Secret Chamber
Queen Anne is consoled by Buckingham and they express their feelings of love for each other.
In the Early Hours
Hautbois leads Buckingham to the streets of Paris. A mysterious shadow follows. Buckingham finds his servant and hears of the loss of the official letters. He writes a note to Anne and gives it to Hautbois before fleeing. Milady appears and Hautbois shows her the note.
The Streets of Paris
Athos and his two friends are awaiting the first duel. They are all surprised when D’Artagnan arrives as he is to fight the others as well. Athos begins the fight and quickly realises D’Artagnan’s ability. Six of the Cardinal’s guards appear and soon D’Artagnan finds himself in the midst of a fight on the side of the Musketeers.
Mme Bonancieux's (Constance's mother) House
The Musketeers re-enact the morning’s fight. Constance arrives and, thinking Athos in trouble, attacks D’Artagnan. The Musketeers intervene. D’Artagnan and Constance see each other for the first time.
There is a pounding on the door and the Duke of Buckingham enters, explaining his plight. There is another knock and D’Artagnan is face to face with the Queen.
Alone, the Queen gives the Duke the necklace as a love token.
Meanwhile Constance and D’Artagnan express their feelings for each other.
A Room in the Palace
The King and Queen prepare a new ballet, watched by Richelieu. Milady brings news – Buckingham has fled with the Queen’s necklace. Seizing his chance to ruin the Queen, the Cardinal offers to hold a Ball to show off her new necklace. In complete panic, the Queen turns to Constance, who helps her write a letter and departs with it.
The Dark Streets of Paris
Constance fears she is being followed. She is grabbed by three men.
Mme Bonancieux's Home
Three men in cloaks burst in with Constance in tow. D’Artagnan reaches for his sword but they pull back their hoods to reveal the Musketeers. Constance produces the Queen’s letter and all agree to help. D’Artagnan takes the letter and shares an intimate parting with Constance, who gives him the only thing she has with her, her scissors, as a token. D’Artagnan takes the present and leaves.
The door opens and Milady storms in. Finding no-one she departs.
The Road to Calais
The Musketeers ride towards Calais but are attacked along the way. D’Artagnan must continue the journey alone.
Port of Calais
D’Artagnan fights Rochefort and is near to success when Milady arrives with Constance at knifepoint. D’Artagnan surrenders. Milady takes the letter and boards the ship.
A Room in England
Milady seduces the Duke of Buckingham and takes the necklace for the Cardinal.
A Cell in Calais
Constance and D’Artagnan are imprisoned. Remembering the scissors, D’Artagnan frees Constance. Milady arrives, shows off the necklace and takes advantage of D’Artagnan’s vulnerable position. Unable to restrain herself, Constance leaps at her and the two fight. Constance rips Milady’s sleeve exposing the fleur-de-lis, the brand of a criminal. Milady flees. Minutes later the Musketeers arrive. United again, they head for Paris.
Queen Anne waits, hoping that Constance will return with the necklace. Time runs out and she departs for the Ball.
The Ball is in full swing and the King and Queen begin their performance. Richelieu waits for Milady. Surrounded by enemies the Queen loses all confidence. Where are Constance and the Musketeers and how will it all end?