This film selects typical accidents such as car accident, mine disaster, explosion and collapse in 20 12, and deeply reveals the physical pain, family grief and life pain caused by an accident through news broadcast, tracking and scene reappearance. The film is divided into two parts. The last episode focuses on the double trauma suffered by accident survivors. The next episode focuses on tracing the bleak situation of the families of the accident victims. This film aims to alert the world that accidents are fiercer than tigers and safety is greater than the sky. Any reckless, careless and violation of laws and regulations may lead to great disasters and bring irreparable harm to oneself, family, enterprise and society. We are hurt by the loss of life, health, happiness and happiness, and we want to shout loudly-please remember safety first, don't hurt yourself, don't hurt others, and don't be hurt by others.