María and Ana are two sisters aged 11 and 14 who live in a small town in a rural area threatened by depopulation. Ana's entry into adolescence, contrasting with María's innocence, will trigger a conflict between them on the brink of the arrival of summer.

In the twilight of his life, Francisco de Goya reflects on his black paintings in his Quinta on the banks of the Manzanares. Why did I do them?