Not one of us must breathe a word of what we''ve found.It''s a dark and stormy night. Jim, the inn-keeper''s granddaughter, opens the door to a terrifying stranger. At the old sailor''s feet sits a huge sea-chest, full of secrets. Jim invites him in - and her dangerous voyage begins. Treasure Island, Robert Louis Stevenson''s classic story of murder, money and mutiny, premiered at the National Theatre, London, in December 2014, in a thrilling adaptation by Bryony Lavery.