Honza and Klára became the owners of the winery and parents of mischievous twins. However, everyday worries can be extremely tiring at times, so things are not going so well for them in marriage now. In addition, the crucial time of the winemaking year is coming - vintage. Honza and Klára have a lot of problems - in addition to their marriage, they deal with thefts in the vineyards. Klára struggles with the prejudices of those around her who don't believe that a woman can make quality wine and step over her father's shadow. Years later, Honza meets his irresistible friend Jirka. He enthusiastically rushes to visit to help with harvesting, which of course he does not understand at all. At the same time, he completely forgets to mention to Honz that he is also running away from the debts he managed to collect, and that he has almost kidnapped his adolescent son, who came with him.

The film follows Marie, Jirka and their wealthy parents, as well as murderer Jiří Tichý. The film takes place mostly in southern Moravia.

Grapes follows the story of a winemaker who finds himself in a fish-out-of-water situation in the Czech countryside. With the help of his friends, he navigates the challenges of wine-making, friendship, and a potential swindle. This heartwarming tale explores the bond between a grandfather and grandson, set against the backdrop of a beautiful vineyard in central Europe.