The grape harvest at the Cambon family's magnificent vineyard is normally a cause for celebration. But when an accident destroys the crop, Clarisse Cambon knows exactly who to blame - her daughter-in-law Jane. It's the latest incident in a decades-long feud whose origin both women have concealed from Luc, who struggles to keep his wife and mother on speaking terms. Secrets ripen and fester over a long, sweltering summer in France.