After a chance encounter with Francois, Aramis falls in love instantly and enjoys a blissful time together until Francois meets a tragic end at the hands of Manson and the Ironmask's followers. Fueled by vengeance, Aramis sets off to Paris to join the musketeers. A year later, D'Artagnan reunites with the musketeers and intervenes in a confrontation between Jussac, the Cardinal's Guards, and a distressed woman in a tavern. Following a victorious skirmish, D'Artagnan saves the woman from a desperate act but loses her soon after. When the woman is found dead, D'Artagnan is wrongfully accused of her murder due to a damning piece of evidence. As Aramis delves into the mystery entwined with Catherine de Médicis, she unravels a dangerous plot involving Pizzaro at the castle, where she must confront peril to safeguard a crucial document.