Peridot, an adventurous and active Jewelpet, is going to Jewel Town for a visit. As Ruby showed Pink the lucky jewel in her bathroom, the Deco Stones starts to shines and shows them the location the next stone. Peridot agreed that they should search for the lost fragments of the Deco Stone, as Pink and Ruby went with her using the Deco Bus. As they arrived as the said location, the trio searches for the Deco Stone in the whole place but there's no clue.