en Cuevana 3. A young German, Werner Müller, turns out to be a volunteer in the neurological department of an ordinary St. Petersburg hospital. A foreigner, overwhelmed by the impulse to help all the sick and needy, has a long and eventful day ahead of him. Every now and then, finding himself in comical situations and making his way through misunderstandings, the volunteer discovers all the facets of the Russian national character.