Iron & Heat

While the Lord of Iron, Perturabo with his sieges on the travel of the Great Crusade he has multiple "encounters" with his brothers resulting in many of his sons being spread throughout the galaxy among the legions and chapters of the Astartes. This has created suspicion and as the war grinds on, will the Primarch of the Iron Warriors be able to get over his conflicted emotions caused by the conflict caused between his brothers.