The rules of survival have changed.
Herds of antelopes in South Africa and bat colonies in the Swabian Alb: large populations of animals are dying out around the world within a very short space of time, and entire species are becoming extinct at an alarming rate. Experts are sounding the alarm because the mysterious mass extinction does not seem to stop at any species. Young pharmaceutical representative Fabian Nowack comes across evidence that even the survival of mankind is under imminent threat. A race against time begins, at the end of which our planet will never be the same again.