Human beings are endowed with reason and are different from the animals that rely on instinct to survive. For human; this sense is a very powerful weapon. If treated with well manner, this would then become a weapon that will protect them from threats that exist outside them. But as they say, those who live by the sword then he will die by the sword also.
Clive (Adrien Brody) and Elsa (Sarah Polley) are two great scientists who are planning to make a breakthrough in the field of genetic engineering. They tried to do experiments with human DNA and combined with animal DNA to get a new species. Of course, Clive and Elsa could not have done this experiment in public because they do this is something that is illegal in law and contrary to the norm.
Unexpectedly, their experiments proved successful. The result of this merger produces DNA defects that a baby girl they named Dren (Delphine Chanéac). Strangely, not long before these babies grow up to be defective a beautiful woman with wings, which seemed completely harmless. At the time Clive and Elsa careless, Dren suddenly turn into ferocious creatures which exactly even threatened the safety of mankind.
