Yuri Mikhailovich is a neurosurgeon in the city hospital. His day consists of surgery, patient examinations, and attempts to knock up the quota for in-patients. Every day he discloses terrible diagnoses to people and, like supplications for forgiveness, listens to questions whether there is any hope.
A frightening image haunts him: a man doomed to paralysis and a meaningless life as "vegetable". Such unfortunate people he observes every day. It looks as if he saves their life, but he understands that he only extends the time of their passing. He finds the thought unbearable that something like that could happen to him. And he tells his girlfriend: "If something like that happens to me, kill me! Just inject 400 units of insulin into the vein and that's it! If you love me, kill me!"