Since she's been staying over at her grandfather's in Noumea, it's been the same story every night : Yana dreams that she's travelling accross the New Caledonia seeking a fabulous treasure. Unfortunately, every time she's about to lay her hands on it, she wakes up and the treasure disappears ! But tonight, she isn't going to let that happen : as a curious and audacious little girl, Yana decides to seek this mysterious treasure. Along the way, she will encounter memorable people and creatures who will make her discover the magic of New Caledonia. No sooner said than done... Let the adventure begins !