From the playroom to the stars, the Princess and Bona craft a cardboard rocket and launch into an otherworldly adventure. Their space picnic on an alien planet takes an unexpected turn when the Prince, dressed as a playful extraterrestrial, abandons them with their apples. A spirited chase through the cosmos follows, but when the Princess notices her brother's hungry plight, she offers a truce with apples, cementing their bond as intergalactic friends.