The film is available in two versions: The long one of 29 min. from 1961 depicts the work of the Civil Defense Association in a simulated situation where parts of the country are exposed to radioactive fallout; at the same time, it shows what precautions the civilian population can and should take to reduce the risk of radioactive exposure as much as possible. The short version of 6 min. was broadcast in 1962 for cinema screening and contains the cartoon part explaining what radioactivity is. The following credit is the cartoon part of the longer version of the film.