Public Sex (film)

Public Sex (Original title: Dogging: A Love Story) is a British romantic comedy film released in 2009 starring Luke Treadaway, Kate Heppell, Justine Glenton, and Richard Riddell, directed by Simon Ellis and written by Michael Groom and Brock Norman Brock. The film was originally titled "Dogging: A Love Story", but the title was changed to "Public Sex" when released in the United States.
Premise.
Dan (Luke Treadaway) is an aspiring journalist who drops his inhibitions to research the United Kingdom's underground subculture of dogging or public sex and along the way finds love and friendship.