With cases filled with books which were given by a relative, the young Sancho Bordaberri decides to open, in the postwar period, a modest bookshop in Getxo. Right after that, he received the
complicity of Klodobike, enthusiastic and passionate woman. Basically, what Sancho wants is to be a writer of detective novels, but never manages to match his admired Hammett or Chandler and
publishers will return all his stories. Until one day he receives the tenth rejected manuscript and realizes that the only murder that occurred in Getxo, before the war, is still unresolved and
that a real case can be very helpful for someone with no imagination. Sancho then becomes a private detective to clarify who wanted to kill the twins Altube chaining on a rock for the tide to
drown. During his investigations and interviews with suspects, discover that he is writing a real novel, with a new style, in which he is both narrator and protagonist, a detective who will now
be called Samuel Sparta as a tribute to Sam Spade.