Synopsis：Li Yang, the deputy captain of the fire brigade, missed the chance to save his daughter Li Xiang while rescuing a young boy during an accident. His wife, Zhang Xue, could not let go of this incident for a long time. Their grievances deepened, and their relationship gradually fell apart. After his wife left, Li Yang, hoping to win her back, chased after the bus she was on with his friend Zong Yuan, following it to a winding mountain road. Due to a mudslide, the bus fell into a mine shaft within a cliff. The group endured the most difficult struggle for survival. Just as Li Yang and the others were at a loss, the rescue team arrived, and they finally managed to escape the danger.