艾爾文團長和里維兵長嘗試調查女巨人，卻因其使自己的皮膚硬質化而告失敗。女巨人更通過嚎叫引來大量巨人湧入捕獲點將她吞噬。艾爾文意識到女巨人的真身可能就此脫逃之際，一個偽裝成調查軍團成員的士兵出現了。

這個偽裝者繼續追逐艾連等人。在艾爾文判斷女巨人有著遠超艾連巨人駕馭自身的能力，阿爾敏也推測偽裝的內奸曾目睹艾連變身為巨人。在艾連小隊後方，女巨人再一次出現。為了阻止女巨人的追擊，里維兵長的部下先後喪命。再也無法忍受的艾連變身為巨人與女巨人搏鬥，但很快就被對方打敗並被吞噬真身。米卡莎和里維嘗試阻止女巨人並救出艾連。

米卡莎和里維合力將艾連從女巨人口中救出，為此里維傷了腿。在撤退的途中，調查軍團再次遇到巨人追擊，為了減輕隊伍的行軍負重，團長下令將戰死士兵的屍體丟棄掉。回到城內的調查軍團因壁外調查失敗而被召集到望都接受艾連去向的裁決。

Following the disastrous results of the 57th Expedition, Eren is to be brought to the King’s palace for a court martial. Armin, desperate to save Eren from certain execution, enlists the help of an old friend to assist with an escape plan.

With the identity of the Female Titan now revealed, Eren has reservations about fighting her. Mikasa, Armin, and the rest of the Recon Corps try to fight the Female Titan, hoping to distract her long enough to buy Eren time to come to terms with his feelings.

Eren, spurred on by his promise to kill every single Titan, unleashes the full power of his Titan form in the fight with the Female Titan. As their bloody battle draws to a close, it seems humanity may finally have a chance at survival. However, with many mysteries still left unsolved, what will await Eren, Mikasa, and Armin?