A grandfather tries to spend a peaceful night building a house of cards, but his grandson's addiction to social media prevents him from doing so.
Finally, 33 years later, the whole truth behind the attempted coup d'état that shook Spain on the afternoon of February 23, 1981, is revealed by those who lived through those dreadful hours; a deep look behind the heavy curtain which hides the real mastermind, waiting to be unmasked.