All the origin of the incident was a scientist, in order to make his natural have paralyzed daughter like a normal person can walk, live like a normal person, day and night to research a kind of " T " virus " physical enhancement agent, it can make the person's genes mutate, altering the human body function strengthening the people's physique. One could have the benefit of mankind 's scientific achievements, but some people have an ulterior motive, harbor evil intentions by. Parasol co took a fancy to the history of mankind 's greatest invention, they put the results to transform used in the manufacture of chemical and biological weapons. A lab accident resulted in " T " virus is revealed, the infected person will " die ", but they are not really dead, " T virus " will occupy their body, the dead people will become only the body without a soul a dead-alive person, they have no thought, the head is only a shell, they only animal is the most primitive desire -- appetite. The film was so bold expression on the development of science and technology the disastrous consequences of worry, which warns people, technology is a double-edged sword, human curiosity may be irreparable consequences.