Jovan, a young biologist, gets a well-paying job in a forest, but when he checks the cameras he discovers a man and as time goes by the night calls, strange sounds and isolation plunge him into paranoia.
A police-escorted prisoner transport supervised by Interpol sets off to Belgrade. The route leads the transport through Pančevo, where they encounter an ecological disaster and infected people who are trying to kill them. Interpol agents Mortimer Reyes and Mina Milius soon realize that their only chance for escape from the zombie hordes lies in allying with the dangerous, mysterious prisoner.