The complete three series of the bbc drama inspired by alexandre dumass novel the three musketeers set in 17th century paris the show follows the musketeers athos tom burke aramis santiago cabrera porthos howard charles and dartagnan luke pasqualino as they set about defending their queen alexandra dowling from threats to her throne and the nation of france as a whole sources of danger include the devilish cardinal richelieu peter capaldi comte de rochefort marc warren