Attack on Titan. Book 3

With the help of Eren, who can transform into a titan, people manage to reclaim the Trost district and secure Wall Rose. Closing the breach with a huge stone, Eren loses consciousness and wakes up in prison, enduring an interrogation by the commander of the Survey Corps, Erwin Smith. He decides to send an expedition to Eren's father's home, where the secret of the titans may be hidden. However, Eren's participation will be required in this challenging endeavor.
Eren's faithful friends, Armin and Mikasa, also participate in the expedition. At first, everything goes fairly smoothly, but suddenly an incredibly fast female titan appears and attacks the squad..