Coupled with the military's cover-up of a previous incident, the shocking discovery inside the wall causes a stir. Elsewhere, while the new Scout recruits are held for observation, a surprising threat appears.
Utgard Castle comes crumbling down as Ymir desperately battles the Titans. Now, Christa must fulfill the promise they made long ago during winter training.
With a new enemy revealed, Eren and the Scouts fight back using all the techniques at their disposal. However, the Armored and Colossal Titan have other plans in mind.
When the group finally flees, Ymir wonders whether she should lie or stay true to herself, even if it means ruining the lives and future of those she cares about.