As the man responsible for Satsuki's murder is found dead, Makoto is left haunted by his inability to bring her killer to justice. Meanwhile, detectives investigate two connected murders, including the poisoning of a high school student who dies after drinking a contaminated soft drink. When a suicide survivor unexpectedly confesses to knowing the truth behind the so-called "Eraser Case," his testimony uncovers disturbing new evidence that sends the investigation in a shocking direction.
