Any routine work can turn into an accident if you are a virologist. A monkey that managed to bite through the bars of a cage, a drop that fell from the tip of a pipette, an accidentally overturned container with a test substance, a syringe needle that was too long, pierced through the muscle of the experimental animal and entered the arm. Anything can go wrong, so all a virologist can hope for is his own experience and skills, but even these do not always save. And on the cut of the syringe needle are thousands of lethal doses... Alexey is an experienced infectious disease researcher studying the terrifying Ebola virus, and in an infectious disease vivarium he was scratched by an infected rabbit. Panic, fear for one’s life and for the fate of loved ones, pain and frustration—absolutely anyone would experience such a situation. However, the laboratory has its own instructions on this matter...