Trying to escape the past, thief Alba weasels herself a job working as a telephone operator in 1928 Madrid under a false identity. Escaping the past, however, proves to be extremely difficult as she realizes that your past is what creates your future involving friends, lovers, and feelings.

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.