Li Yang is the deputy captain of the fire brigade. In an accident, he missed the chance to save his daughter Li Xiang in order to save a little boy. His wife Zhang Xue could not let go of this incident for a long time. The resentment between the two became deeper and deeper, and their relationship gradually broke down. As his wife left, Li Yang, who wanted to save her, chased the bus his wife was riding with his friend Zong Yuan all the way to a winding mountain road. Due to a mudslide, the bus fell into a mine cave in the cliff. Everyone had the most difficult time to survive. Just when Li Yang and others were at a loss, the rescue team arrived and finally escaped from the danger.