"Where is your mother's ghost?" After his mother's death in a car accident when he was a child, Yu Qiu-fu (Yu Chu-dong) begins to see ghosts. In order to see his mother's ghost, he becomes a "ghost bus," a medium to transport ghosts that cannot move freely. It is a secret that only he can keep... After meeting A Feng, a ghostly uncle with amnesia, and Li Jingzhang, a screwed-up female classmate who is a ghost absorbing spirit, he becomes embroiled in a series of mysterious incidents, They are caught up in a series of mysterious incidents. A heartwarming ghost tale that will bring tears to anyone's eyes.