The other is the concern people express about
the morally damaging effect television, videos and movies are having on people, particularly those that are heavy in sexual or violent content.
The plot follows the usual disaster movie convention of
morally courageous hero attempts to alert the public to danger, hampered by the interference of big business who are afraid of the
damage to their profits, but it is done in a rather more serious - minded way; there is more science and less histrionics and special
effects.