On the 7th. May 1981 an attempt is perpetrated in Madrid against general Valenzuela's life. This same day three young men from Santander stop in Madrid on their way to Almeria, where a family function awaits them.
Suspected to be Basque terrorists they are arrested on the way by the Civil Guard and few days later their bodies appear burnt to a cinder in a ravine alongside the road simulating a car crash.
From that moment and despite threats, fear and anguish, the prosecuting attorney will incite a merciless struggle against the apparently insurmountable barrier of governmental institutions to find out the truth; what happened, how and why it happened.