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.

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