The more Mochizuki learns about Hidaka, the less she understands him. From everything she hears, he’s far from being a psychotic serial killer. So is he covering up for someone? Or is he not the murderer after all? Meanwhile, details about the crimes and the police’s reasons for suspecting Hidaka begin appearing on social media, and Hidaka’s company becomes the target of a negative campaign. Since the police didn’t officially release the information, who leaked it?