Assisted by his Under Secretary Barry Ovis (Brian Rix), Sir William Mainwaring-Brown (Leslie Phillips) is a government Minister who is responsible for introducing a Bill in Parliament to combat the growing permissiveness in society. Problems arise however when a group of Hippies plan to kidnap and drug Ovis and Mainwaring-Brown and then photograph them in compromising situations. Ovis is kidnapped on his wedding day whilst the Minister manages to avoid the Hippies and has plans to spend the night with a lady friend unknown to his wife. With the Police investigating the kidnap plan and the Hippies closing in on him Mainwaring-Brown's attempts to escape their clutches have hilarious consequences!!