The Blood Angels Space Marine Chapter faces a catastrophic assault on their homeworld, Baal, by the relentless Tyranids of Hive Fleet Leviathan. The battle reaches a climax as the Blood Angels, led by Chapter Master Dante, fight desperately to defend their home and Chapter’s future. Reinforcements, including the Sanguinary Guard and Primaris Space Marines, join the battle, helping to push back the Tyranid swarm.
Despite a hard-fought victory, the Blood Angels suffer significant casualties and are left weakened. The battle ends with the defense of Baal, but the Tyranid threat remains a grave danger to the Imperium, with Hive Fleet Leviathan still on the march across the galaxy.