Dublin, 1937 At the Grand Central Cinema on O'Connell Street, the children of Dublin watch their Hollywood heroes on the silver screen When Sylvie meets tenement boy Jem and his daredevil sister Juno, they bond over their love of movies. But an accident means Juno will miss the latest film at the Grando, so they hatch a plot to hijack the movie reel and do a top-secret private showing instead! Meanwhile, a sneak thief called The Magpie has his eye on the Grand Central Cinema too. Can Sylvie and Jem revive Juno's ailing spirits by bringing the movies to her? And will they foil The Magpie's feather-brained plan in time?