5th of December of 1976. The Basque flag, known as Ikurrina, was illegal.
That day, Real Sociedad and Athletic played a derby where the captains of both teams came out of the tunnel carrying the Ikurrina. This documentary explains what happened on that day.
The image of this moment has become part of the popular imagery of the Basque Country, but ¿what did really happen on that day? This documentary recreates every step, every fear and uncertainty that the protagonist lived to reach this historical moment.