Vidiyum Munn (Before Dawn) is a 2013 Indian Tamil thriller film directed by Balaji K. Kumar. The film stars Pooja Umashankar as Rekha, a prostitute trying to rescue a 12-year-old girl, played by Malavika Manikuttan, from the clutches of prostitution. The music was composed by Girishh Gopalakrishnan. Vidiyum Munn was the fifth Indian film to be released in Auro 3D 11.1 surround sound system. The film was released by PVR Pictures on 29 November 2013 to Critical acclaim but average grosser at the box office. The movie was reported to be inspired by the 2006 British movie London to Brighton.