Because her parents are busy, Su Yao takes the last bus home alone every night, but she encounters strange incidents one after another, such as strange passengers, black shadows outside the car window and strange laughter. Lin Yu noticed something strange about her and followed her secretly; Zhang Yue also joined in to help her find a solution. Teacher Li's strange words and deeds aroused Su Yao's suspicion. During the investigation, they discovered that the route of the last train was related to a bizarre car accident many years ago, and that a mysterious organization was suspected of using the last train to carry out evil rituals. After being in danger many times, Su Yao discovered that Teacher Li was a member of the organization. At the ceremony site at the abandoned bus station, the two sides started a fierce confrontation. Lin Yu was dying to save Su Yao. Can Su Yao finally stop the conspiracy and get rid of the curse?
