Fleeing from some other children who want to beat him, Olivier meets the ghost of a Pirate who every hundred years tries to find a parchment. Olivier agrees to help him. But in doing so he is captured by a bunch of pirates. The other children of the village discover a door thru time and space in an old haunted house and decide to rescue Olivier from Captain Monbars' pirates.
Simon, who's dreaming of a fabulous world, persuade his friends to come with him to find this mysthic country in the 'third wood'. But, there's a condition: no adult should see them in this adventurous trip or the dream won't come true.
