The police are making every effort to search for evidence to prosecute the suspect Huang Baimu in the rape and murder case, hoping to convict him in order to appease the public's concerns about the forest, but the evidence has not been obtained. Xia Songzi, female detective newly appointed, takes over from KashiwagiCase. Matsuzaki firmly believed that Kashiwagi was just one of the perpetrators, and she was under pressure from the authorities to solve the case as soon as possible. Therefore, she decided to enter the forest where the crime occurred to investigate. Shu Hai is a doctoral student in advanced botany, and he has exhaustedAll time and spirit, to prove the theory that plants are equivalent to living beings, he believed that plants have thoughts, emotions, and even language.