The movie follows Dogtanian as he makes his way to Paris and meets the other muskehounds, including Athos, Porthos, and Aramis. Dogtanian quickly proves his worth as a swordsman and loyal companion, and together they embark on a series of adventures to protect the king and queen from the evil schemes of Cardinal Richelieu and his henchmen.
Along the way, Dogtanian falls in love with Juliette, a beautiful young lady who is also the niece of the muskehounds' commander, Treville. However, their love is threatened by the manipulations of Milady de Winter, a spy for the cardinal who will stop at nothing to achieve her goals.
As the muskehounds battle against Richelieu's forces and try to save the queen from his clutches, Dogtanian learns the importance of honor, loyalty, and true love. With the help of his friends and his courage, he proves that even a humble peasant can become a hero.