Locked Up (Spanish: Vis a Vis)[1][n. 1] is a Spanish serial drama television series produced by Globomedia, initially for Spanish Network Antena 3 and later for Fox Spain. It premiered on 20 April 2015.[2] The series focuses on Macarena Ferreiro, who is sent to prison for fiscal offenses and goes on to depict prison life and the corruption of law-enforcement bodies.