The aftermath of the previous battle doesn't even have time to sink in, because Shigaraki and others raid Tartarus. Thanks to the Nomus they have, Tartarus's defenses are quickly breached and all the prisoners escape, including Muscular, Moonfish, Overhaul, and Lady Nagant. But most importantly, All For One is freed. Shigaraki and All For One meet up and let the prisoners raid six other prisons, so that even more villains can escape.
With chaos in the cities of Japan, the civilians are angry at the heroes more than ever, and are having to be held back. The heroes, including Endeavor, Eraser Head, Todoroki, Bakugo, and others are in the hospital receiving treatment. Most importantly here, however, Midoriya is unable to wake up while recovering.
The meaning of the word "heroes" is beginning to be questioned. What will happen next?