D'Artagnan is forced to join forces with Milady to save Constance, who was kidnapped before his eyes. But as war is declared and Athos, Porthos and Aramis have already joined the front, a secret from the past shatters old alliances.

D'Artagnan finds himself in a perilous situation after Constance Bonacieux is kidnapped. To save her, he must form an unlikely alliance with the enigmatic Milady Dee Winter. As war erupts and Athos, Porthos, and Aramis join the front lines, a dark secret from the past threatens to shatter old alliances. D'Artagnan and Milady must navigate a treacherous path, facing danger and betrayal, to rescue Constance and protect the kingdom.—Oscar Serpa