On a Saturday at nightfall, 18-year-old Lucía leaves handball training and sets off to pick up her brother in a city she thinks she knows. A cry for support to build an institutional and social framework in which all women feel safe and secure, 16 December reflects the case of “La Manada,” when a group of five men raped a girl in Pamplona, Spain, and recorded it all on a mobile phone. The film premiered at the 72nd Locarno Film Festival.