After his final exams Vinca Adámek, a student at the Agricultural University in Prague, gets an offer to stay on at the faculty as a junior lecturer. His fellow student Ilona invites him to a trip to Orava in Slovakia in the vacation, but Vinca refuses. Once he courted Ilona, but she only offered him friendship. Now he has a serious relationship with the teacher Marie, and in any case his father expects him to work on the cooperative farm during the vacation.