Unable to cope with prison life, Macarena is taken under the wing of her cellmate Yolanda. But a midnight visit from Zulema, the jail's self-appointed queen bee, is about to change her life for ever.
Set up to take the blame for corporate fraud, young Macarena Ferreiro is locked up in a high-security women's prison surrounded by tough, ruthless criminals in this tense, provocative Spanish thriller.