Three unlikely friends set out on a journey to find the dreaded ghost of Captain LeRouge whose treasure-laden ship was lost in the Louisiana bayou over two hundred years ago. What they find is an adventure beyond their wildest imagination and the magical swamp creature "Labou" whose whistles are rumored to be the original inspiration for jazz. With the help of Labou, the kids race to stay one step ahead of two crazy oil moguls, but can they find the long lost treasure and save the swamps before its too late?