Watch The Musketeers S01e01 Friends And — Enemies...

Driven by a quest for vengeance, d'Artagnan arrives in Paris and immediately challenges the real to a duel. However, the confrontation is cut short when the King’s guards arrest Athos for a string of highway robberies and murders he didn't commit. While Athos faces a death sentence, his comrades Porthos and Aramis work to prove his innocence. The investigation reveals a deeper conspiracy:

Cardinal Richelieu is using the Red Guard to pose as Musketeers to discredit the regiment and expand his own political power. Watch The Musketeers S01E01 Friends and Enemies...

By the end of the episode, the four men have formed the core of the legendary team, though they remain wary of the Cardinal's continuing influence and the dangerous secrets held by Milady. Driven by a quest for vengeance, d'Artagnan arrives

In the premiere episode of The Musketeers , titled the story begins with young d'Artagnan and his father traveling to Paris to petition King Louis XIII . Their journey turns tragic when they are attacked at an inn by men masquerading as Musketeers; d'Artagnan's father is murdered, and with his dying breath, he names "Athos" as his killer. Their journey turns tragic when they are attacked

Realizing he has been played, d'Artagnan joins forces with Porthos and Aramis. Together, they track down the imposter, a Red Guard named Gaudet, and retrieve the evidence needed to exonerate Athos just before his execution.

A Musketeer carrying vital diplomatic documents has disappeared; these letters were stolen by the Cardinal’s spy, Milady de Winter , to give Richelieu leverage over the King.