Andrzej and Grzegorz are students of Warsaw Conservatory and preparing for the International Piano Competition. Eva - a beautiful Grzegorz's girlfriend is seriously ill, the doctors suspect she has brain cancer. Even for the sake of health and life of his beloved Grzegorz disagrees to miss even a single day of preparation for the contest. Andrzej has a girlfriend Zosia (the daughter of a professor of music), but the young pianist falls in love with Grzegorz's girlfriend and takes care of the sick Eve.