When Pacifica holds the Mermaid Moon Ceremony, Barbie “Malibu” Roberts and Barbie “Brooklyn” Roberts are chosen to complete to be the power keeper. But when Marlo, the crazy scientist, sets sail to prove the existence of mermaids, will both the Barbies exceed in saving the underwater world ? Highlights: • Covers your favourite Barbie characters Malibu Barbie and Brooklyn Barbie • Appealing and engaging storyline