Victoria is a republican widow who enters in the prison of Saturrarán (Vizcaya), place where an experiment of the Franco regime takes part: the separation of children from their mothers to give them up for adoption to families close to the regime, in order to break the chains of communism.

Basque Country, Spain, 1843. A police constable arrives at a small village in Álava to investigate a mysterious blacksmith who lives alone deep in the woods.