Everyone is a suspect in the investigation to find out who killed the two test-subject Titans. Meanwhile, the cadets pick which military branch they'll be joining, but after the harrowing events in the Trost attack, many are uncertain which branch to choose.

Historia and Erwin look back on their past, revealing a shady government with a hidden agenda and inspiration for an uprising.

As battle breaks out to prevent the ritual, Historia makes a shocking decision which leads to catastrophe.

As Erwin’s heroic charge buys Levi time to confront the Beast Titan, Armin comes up with a plan of his own that lays it all on the line.