Graham McNeill
Consequences

Put on trial for breaking faith with the holy Codex Astartes, Uriel Ventris and Pasanius of the Ultramarines have one chance to reclaim their honour... and save their lives.
Warhammer 40k
short

Also in:
Honour And Vengeance: Uriel Ventris Vs Honsou
The Uriel Ventris Chronicles: Volume 1
Legends of the Space Marines
Ultramarines: Quick Reads Collection