A dazzling wave of Jewel Teeniepings – tiny, gem-powered companions from the magical Jewel Forest – suddenly appear on Earth, unleashed by a shadowy figure known only as Maskping. Just when Romi thought her life in Harmony Town had settled into a peaceful routine, she’s pulled back into action, tasked with rounding up these precious newcomers. This time, she's not alone; three energetic and decidedly inexperienced Teeniepings from the local school join her quest. Overseeing everything are the Royal Teeniepings – all except Heartsping – who have returned to the Emotions Kingdom, ready to lend their guidance from afar.