Attack On Titan Part 1 -

: Protagonist Eren Yeager witnesses his mother being eaten by a Titan during the invasion.

For over a century, the remnants of humanity have lived within three concentric walls——which have kept the Titans at bay. This peace is shattered when a 60-meter Colossal Titan suddenly appears and kicks a hole in the outermost wall of the Shiganshina District . Attack On Titan Part 1

: Fueled by rage and grief, Eren vows to "eradicate every last Titan" and joins the military with his childhood friends, Mikasa Ackerman and Armin Arlert . : Protagonist Eren Yeager witnesses his mother being

: The trio spends years in the 104th Training Corps , learning to use Omni-directional Mobility (ODM) gear —a system of wires and gas-powered grapples that allows humans to strike the Titans' only weak point: the nape of the neck. Major Story Beats : Fueled by rage and grief, Eren vows

The story of —referring both to the first half of the anime's debut season and the 2015 live-action film— follows humanity's desperate struggle for survival against giant, man-eating humanoids called Titans . The Premise: Life in a Birdcage