A former nazi child-killer is confined in an iron lung inside an old mansion after a suicide attempt. His wife hires him a full-time carer, a mysterious young man who is driven slowly mad by the old man's disturbing past.
Juan Jose Moreno Cuenca, alias the Heifer, is 23 years old and tells his story as a criminal offender from 1 Ocaña Toledo. Fatherless, the offender has his childhood and how everything changed when her mother went to prison.