Alberto is an entrepreneur in the wine branch. Divorced, he married two years ago Eva, a Russian girl thirty years younger, graduated in marketing and now deputy director of Alberto's company. In their country estate suddenly appears Clara, the eighteen year old daughter of Alberto, with the intention of giving a party for the birthday of his father, whom she is closely linked.
Despite the lack of enthusiasm of Eva, that does not look kind with the girl, Clara invites two friends to spend the weekend with them, both of them will be accompanied by their respective girlfriends. Soon, we begin to understand that harmony, already troubled by the constant bickering of Eva and Clare, is only apparent.