Ken Kaneki, a bookworm college student, meets Rize, a girl his own age with whom he shares many interests.

In the year 2113, people are given brain scans to determine how likely they are to commit a crime. Those who fail are apprehended, or even killed.

Jinta Yadomi and his group of childhood friends have become estranged after a tragic accident split them apart. Now in their high school years, a sudden surprise forces each of them to confront their guilt over what happened that day and come to terms with the ghosts of their past.