Armin comes up with a risky plan that pits Titan against Titan as the abandoned cadets attempt to take back their headquarters. Getting into the building might be possible, but getting out alive and refueled will mean facing more of the giants.

Coupled with the military's cover-up of a previous incident, the shocking discovery inside the Walls causes a stir. Elsewhere, while the new Scout recruits are held for observation, a surprising threat appears.

After barely surviving Eren's recovery, a rising threat from the shadows puts everyone's lives in danger again.

The operation to retake Wall Maria commences in Shiganshina, the town where everything began. But when the Scouts arrive, something seems very wrong.