The film centers on a Hubley family creation, launching with their kids’ make-believe rendition of a fairy story involving "Princess Polly" and "Prince John." However, the two girls quickly lose focus, drawn away by elements in their backyard, leading to the understanding that marrying your sister isn't possible! Simultaneously, the animation attempts to match their portrayals, showcasing castles, heroic knights, princesses needing rescue, and a large dragon. Eventually growing bored with this tale, the story shifts to a cheerful giraffe and a kangaroo hopping around. The storytelling feels like an impromptu and delightful exchange between the children as they play; the visually appealing and vibrant artwork mirrors that free-flowing dialogue, along with inventive sound effects, resulting in a distinctive and fashionable animation brimming with energy and motion. It's just not particularly breezy, though!

Source on TMDB