A photographer decides to buy a car with the money he'll get for his prizewinning photo, but the postman brings only a diploma instead of money. Being subjected to the ridicule of their neighbors, his family decides to buy an used Buick, in spite of being against it at first. That would turn out to be a huge mistake, since the breakdowns are more often that they can afford.

A young girl, Vesna, goes on a skiing vacation to Slovenian Alps, where she is being looked after by her aunt. Her family gets worried when they meet Vesna's boyfriend, and try to marry the couple, thinking that she may be pregnant with him.

Rosalie is young and pretty maid on the farm of the winemaker Jacob. She becomes pregnant with the servant Marko, who disappears with a gypsy singer, leaving Rosalie alone in her awkward situation.

Samo, Sandi in Krištof se pripravljajo na maturo. Domislijo se, da bi se lahko dokopali do matematičnih maturitetnih nalog s pomočjo domnevne profesorjeve hčerke z vzdevkom Hiperbola. Ker ne vedo njenega pravega imena, jo poimenujejo Vesna (pomlad). Na zmenku se nepričakovano prikaže prava profesorjeva hčerka, privlačna Janja. Samo in Vesna se zaljubita in zgodba se začne naglo odvijati. Samo povabi Vesno (Janjo) na vožnjo z jadralnim letalom. Morata zasilno pristati.Sandi, vesel, da so končno dobili naloge, se zanje stepe s Samom. Samo se poškoduje in zaradi tega ne more na zmenek z Vesno. Nanj gre Sandi, ki na zmenku poskuša pridobiti Vesno zase. Zareče se mu in uide mu resnica, da so za Vesno žrebali. Zaradi tega se hoče Vesna ubiti. Skoči s padalom v upanju, da se ne bo odprlo. Vse se lepo izide, padalo se odpre.