En garde! Prepare for more pulse-pounding thrills, more breathtaking action and more high-stakes heroism. The gallivanting royal bodyguards for King Louis XIII - Athos (Tom Burke, The Hour), Aramis (Santiago Cabrera, Heroes), Porthos (Howard Charles, & Me) and d'Artagnan (Luke Pasqualino, Skins) are back for love, honor and adventure. Together, the inseparable Musketeers employ their bravery and skill to track down a missing Musketeer; become embroiled in a full-scale riot orchestrated by a notorious criminal mastermind; and embark on a dangerous mission to Le Havre. It's all for one in the non-stop second season of The Musketeers.