The events take place in a simple city polyclinic, which has a department where people with exotic diseases are placed. Most often, patients come from other countries, which is why the department was named "The Traveler's Office". Irina Kunitsyna and her colleagues provide assistance every day to people infected with diseases that the medical staff has never encountered before. One day, an extraordinary incident occurs in "The Office". A person who managed to overcome malaria dies from another disease...