La Línea Invisible - Season 1 (2020)

Basque Country 1968. Txabi Etxebarrieta, a brilliant university student from Bilbao, joins his brother and his friends in an organisation called ETA. At the same time, Inspector Meliton Manzanas begins to investigate this group of young people.

Three years later, during the longest strike of the Franco dictatorship, Txabi is elected leader of ETA. To assume his role, he quits university and breaks up with his girlfriend. Meanwhile, Inspector Manzanas obtains a photo of the young leader.

To fund ETA's activities, Txabi and his comrades decide to rob a bank, adding pressure on Manzanas to secure an arrest. But when Txabi's bombing plan goes wrong, Manzanas arrests and tortures his comrade until he gives up vital information on Txabi.