The new virus pandemic has been going on for several months. Andrey is terribly afraid of getting sick and takes every precaution when he leaves the house. But the unexpected happens: a cleaning lady, who had never heard of any virus, sneezes right in the face of Andrei, who is changing his mask. Andrei is at risk, and infection could cost him his life, because medicines have not yet been invented! There is no way out except the fantastic: to turn back time... Or not the fantastic?..