A Spanish police chief hires an undercover agent, Eagle, to infiltrate a gang of heroin smugglers. Infiltrating the gang, he uses a female agent as a point of contact. However he discovers that there bigger goings-on than dope. The gang is involved in the transportation of smuggled uranium for the manufacture of nuclear arms for sale to Libya and other aspiring third world countries.

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.