This episode tells the story of the protagonist Natsuki Subaru and the person he once hated the most, Yurius, teaming up to defeat the powerful enemy of the Witch Cult's Sin Archbishop, Petichius Romanee-Conti! But Emilia's life is still threatened - a powerful fire magic stone is placed in the dragon carriage she is in. Once it explodes, the consequences will be disastrous. Can Subaru catch up with Emilia who has evacuated and eliminate the final danger?
