Who Are 'They'? (2006)

Christian is a guy who lives in his own fantasy world in reality. But one day, whilst fairy hunting, he comes cross a lady in the woods who tells him that there's a group known as 'They', who are based in a castle out in the country. His destiny is to track down the castle and join this mysterious group who are the creators of sayings that begin with...'you know what they say...'