In the small border city of Linjiang, the school bus of Sunshine Deaf-Mute School was speeding towards the distant mountains. On the bus, Principal Zhang Yanan was telling the children about the scenery along the way in sign language. At this moment, the children looked panic-stricken at what was ahead - a runaway Passat was coming straight at them. The school bus swerved left and right to avoid it, then the Passat rushed off the road and crashed into the hillside by the roadside. Inside the school bus, the teachers and students were as pale as paper. Zhang Yanan hurriedly got off the bus. At this time, a gray car raced over here.
Zhang Yanan had an ominous premonition and pulled Wang Xiaomeng back to the school bus hastily. Just as the driver was closing the door, a man with a shotgun jumped onto the school bus. He held up the teachers and students on the bus and confronted with the police. Since then, a battle between justice and evil began...