Marc and Rebeca, a young couple, travel to an old country house that used to belong to their family. Once there, they write the shared history of their roots, creating a huge family tree that harbours relationships of love, heartbreak, sex, madness, jealousy and infidelity, and under which also lies a history laden with secrets.

Inspector Amaia Salazar confronts the origins of her nightmares as she unfolds the darkest secrets of the Baztan valley. Part 3 in the Baztan Trilogy.

Salamanca, Spain, 1936. In the early days of the military rebellion that began the Spanish Civil War (1936-1939), writer Miguel de Unamuno supports the uprising in the hope that the prevailing political chaos will end. But when the confrontation becomes bloody, Unamuno must question his initial position.

Inspector Amaia Salazar must return to the Baztan valley in order to solve a series of suicides that seem to follow a similar pattern.