The Scouting Book for Boys is a 2009 British drama thriller film directed by Tom Harper in his directorial debut, produced by Ivana MacKinnon and written by Jack Thorne.
It stars Thomas Turgoose, Holliday Grainger, Rafe Spall, Susan Lynch, Tony Maudsley and Steven Mackintosh.
Fourteen-year-old David (Thomas Turgoose) is spending the summer hanging out with Emily (Holly Grainger), the only other teenager in his trailer park.
When her mum, Sharon (Susan Lynch), loses custody, Emily refuses to live with her father and convinces David to help her hide in a cave.
While he brings Emily supplies and keeps her secret, the police investigate her disappearance – and soon uncover Emily's relationship with her mother's boyfriend, Steve (Rafe Spall), igniting David's jealousy.