August 1, 0850
(Timeline Event)

 - The Scout Regiment embarks on the 57th Exterior Scouting Mission, departing from Calaneth District. Annie disrupts the expedition as the Female Titan, invading the right flank of the expedition to search for Eren. Commander Erwin leads her into a Forest of Giant Trees, and successfully uses special Target Restraining weapons to capture her. However, using her shriek to attract Titans to her, she escapes the Scouts' capture and kills four members of the Special Operations Squad.

- Adalee is injured in this mission as well but survives to see another day.

- The Scout Regiment begins to suspect that Annie Leonhart is the Female Titan. Erwin Smith devises a plan to capture her in Stohess District.

Timeline