Zapa is a locksmith in a quiet and little town lost somewhere in the province of Buenos Aires. After getting involved in a crime, his uncle, a retired policeman, bails him out and sends him to Buenos Aires city so he can become an aspiring police officer. Soon he will get involved in a new type of corruption.
In Argentina, between 1982 and 1985, the Puccios, a well-established family of San Isidro, an upper-class suburb of Buenos Aires, kidnap several people and hold them as hostages for a ransom.
