During World War II, the Frenchman Léon Garros and Boris Vaganov escape from the Nazi concentration camp. After 15 years, Léon, who became a journalist, and his friends came to the USSR to make a report and find Boris in the meantime. In Moscow he doesn't found, and for the sake of meeting with a friend, Garros has to travel around the country by car... The foreigners are accompanied by Nikolai, the translator, who, in turn, is looking for his brother's runaway bride, Natasha.