Though they knew it was a trap, the Re-Estize Kingdom still chose to face the enemy in open battle. Nazarick proceeded to declare war on the Kingdom as though they were expecting this response.
The Re-Estize Kingdom, still unable to recover from the massacre on the Katze Plains, is forced on a path that leads toward their downfall. Even though they knew they'd be standing against a foe they have no chance against, Prince Zanac, Blue Roses, and Brain will still face their foes head-on.
Spoiler Warning: Plot from the light novel details follow
The story starts off with Albedo carrying out her duties regarding all of the current affairs in managing both the Sorcerer Kingdom and Nazarick, due to the ever increasing work load she has been so busy that she is thinking that she needs new direct subordinates to help her situation. At the same time she is worried about Demiurge setting up the new intelligence service and that it might jeopardize her own plans so she is contemplating who within the great tomb she can recruit to help with her affairs.
It was then she got word of an unexpected development regarding a certain someone and is rather shocked by the report and is wondering if said person has betrayed them and with that she took off to deal with this urgent matter.
Meanwhile back at the Kingdom, Philip is sitting at a bar drinking his troubles away as none of his ideas have born any fruit to increase his wealth and he is frustrated that none of the higher nobles treat him with respect, he blames the Sorcerer Kingdom for his troubles as the food trades between them has kept people from buying his more expensive crops, he meets with two fellow new faction noble members and comes up with a plan to steal one of the grain supply runs used for the Holy Kingdom restoration in order to reap the profits for themselves, Philip not realizing the huge consequences this could bring, does so and in doing so, he sets up the events that will lead to the Kingdom to come into a conflict with the Sorcerer Kingdom.