Lee and Ronni, two brave children, face the terrible nuclear giant Nuki, who tries to stop them from bringing the magical peace flower to our earth.
If they do, they will have the opportunity to put the symbolic nuclear dragon, Nuki, back into its box and end war forever. They travel the universe, past, present and future in a magical vehicle called, Muzi, guided by Petra, the smart and resourceful sister of Peter Pan.
When Lee and Roni, at the suggestion of wise scientist Bayles, go on their dangerous and urgent mission to find the Peace Flower, which can only be found in Esperia, the Land of the Future, they symbolize our hope that the next generation will be able to create a better world beyond war.