Will-o-the-Wisp Isle Murder Case - File 3

Synopsis

After Morimura, Shiina too is found murdered in an enigmatic way. Hajime calculates Shiina's estimated time of death and proves the culprit didn't escape through the window, but the solution still eludes him. Terrified, Kato begins to speak of a crime from the past: he, Morimura, and Shiina bullied Ebisawa to the point of suicide, and the serial killings are his revenge.