Baleen Berberoa es a historical thriller which takes place the town of Mundatxa on the Basque coast in the XVI century. A whale is sighted by several sailors in the town, who immediately set out to hunt it down. During the hunt of the whale, old rivalries and feuds are reawakened among the participants which eventually cause the death of the local fisherman Ezkerti. The strangeneá of the circumstances surrounding the death of Ezkerti cause the youthful Sebastian to do some investigations among the members of the fraternity of fishermen in Mundatxa. Sebastian receives a hint from Agirre, the ship owner hidden in a cryptic meáage: That which is below ground, is it a seed or a cadaver? Sebastian soon discovers new events until he decides to enroll in the Navy which is about to part on the Expedition to England.
