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.

A large, multinational Company is badly shaken when three of its employees commit suicide. Sofía Cuevas, one of the company’s top executives, is chosen to prepare an in-house report to try and shed some light on the events.