A weak boy from Cthonia paves the bloody path of his destiny among the stars. Clan warriors hunt the beast in the Fenrisian snows. Prospero's warlocks seek hidden secrets. The Emperor's Praetorian shows a ruthless side to his personality. Alpharius agrees to be interrogated after a brutal campaign, and Mortarion returns to Terra for the first time since becoming a daemon. Reading any of these six stories will give you a new look at one of the Primarchs - the demigod sons of the Emperor. They, legendary heroes and former brothers in arms, at a time of war and strife were divided into loyalists and traitors, but remained powerful commanders and leaders of people. Each of them has a story to tell...