A documentary story of brief, but intense relationship, ending before sunrise. A Belgian Erasmus student and a German girl got to know each other throughout just one day of spring in Warsaw's Praga district, after meeting via Internet website. What does it mean to know someone for just one day? Grzegorz Brzozowski, director of the documentary presents the curses and blessings of a united Europe, which may, or may not, bring people closer together. What is the emotional cost of the era of mobility?