As Jean leads the cadets to the Trost HQ, the mysterious Titan is lured there by Mikasa, Armin, and Conny. The Titan fights the others outside while the cadets enact a strategy to clear out the Titans from the supply room. After resupplying, some cadets notice the mysterious Titan collapsing from exhaustion after killing the remaining Titans. Miraculously, Eren Jaeger emerges unconscious from the Titan’s nape, alive and healed.
You can watch Attack On Titan Episode 8: I Can Hear His Heartbeat: The Struggle for Trost, Part 4 online for free in the next link: