The name of Artemis is spoken only with reverence among the thousand chapters of the Space Marines, such is the fervour with which he dispatches his xenos foes. Stalwart and inviolate, the veteran Captain is about to face his sternest test yet as what appears to be routine mission for him and his kill team quickly turns into a battle for survival against one of the most devious and insidious foes ranged against the Imperium of Mankind. Will the most famous Space Marine ever to be drawn into the ranks of the elite alien hunters prevail or will Mission: Purge become his epitaph? Produced by Big Finish and Black Library. Running time approx 70 minutes.