A year has passed since the battle at the Sanctuary, and Subaru has been spending fulfilling days united with Emilia's camp. However, his peaceful everyday life ends with the arrival of a single letter.

After the incident in the main square, Priestella has fallen into chaos and Emilia has been kidnapped. Now it's up to Subaru and the others to rescue Emilia and the city.

Subaru and his comrades find themselves in a dire situation after the city was taken over by the Sin Archbishops. Now, they are devising a plan to first reclaim the city hall...

The attack on the city hall enters its second phase. Subaru and Crusch breach the interior, but there they are awaited by Capella, who has some sneaky tricks up her sleeve...

Bishop Regulus of the Seven Deadly Sins wants to force Emilia to marry him, even though he already has hundreds of wives. While he is having the wedding hall prepared, Subaru and the others are planning to rescue Emilia and reclaim the city...

Through a Witch's Cultist's conference mirror, Emilia tells Al where the Sin Archbishops are and asks him to protect Beatrice. Al relays Emilia's message to Subaru, and the gang begins to devise a strategy to win back the control towers.

Subaru and the others hold a meeting in the city hall to develop a strategy against the four Sin Archbishops. However, Emilia is slowly running out of time...

Subaru thinks long and hard about how Regulus's Authority should work...

Capella uses Al's admiration for Priscilla against him, and Garfiel fights the legendary "Eight-Arms" Kurgan.

While battling Lye Batenkaitos, Otto discovers the secret to the Sin Archbishop's power.

Otto and Beatrice battle Gluttony, the last of the Sin Archbishops terrorizing Priestella.