Cecilio Rubes, a businessman engaged in the manufacture of baths and toilets, tries to remain neutral in the imminent Spanish civil war. But the attitude of Cécil, his only child, a spoiled boy who grows without respect their parents, will forced him to face the cruel reality of the facts. Jumping back and forth in time, we are shown his present and his past through his wife Adela and Paulina, the mistress of father and son.

Castilla, 1936. Cecilio Rubes trata de permanecer neutral ante la inminente guerra civil. Poco a poco se nos muestra su presente y su pasado a través de su mujer Adela y de su amante Paulina. Adaptación de la novela "Mi idolatrado hijo Sisi", de Miguel Delibes. Retrata las pasiones familiares, amorosas, sexuales y políticas de unos personajes destrozados por la Guerra Civil Española (1936-1939).