Martzelo Larramendi is known as the man who went into the woods with his niece one afternoon and never returned home. Rumor has it that he might have been crazy. But his niece Bixenta, the only witness to his disappearance, knows that the reason was not her uncle's supposed madness, and she explains this to her granddaughter Lur Larramendi. No one knows exactly what happened to him, but they will understand everything sooner than they expect.