Based upon an Eusebio Ruvalcaba's novel.
The film remained canned for five years for various reasons: from the fact that the director of Imcine at the time (Jorge Alberto Lozoya) didn't like it to the fact that successive administrations didn't have the money to finish it.
With only two screenings in Guadalajara and Cancún in 1995 and 1996, 'Un hilito de sangre' showed then that, especially among young people, it had a very good impact, due to its baroque production and the imaginative games played by the protagonist, the then thirteen-year-old Diego Luna.