Thrown into battle alongside the charismatic but reckless Captain Marsec, Commissar Yarrick faces a tough decision – to unleash the Emperor's judgement and risk damaging morale, or trust in Marsec's ability to lead. Hunkered down and under fire, the Armageddon Steel Legion that Yarrick accompanies are drawn into a deadly ambush. In seeking refuge, they are victims of another trap and at last Yarrick must consider invoking the ultimate sanction against his wayward captain. Another tale from the younger days of the Imperium's most famous commissar shows one of his first big decisions – to kill or not to kill? You might think it's an easy answer, but when the head in his crosshairs is an ally, it's anything but simple...