The heroine Chen Xiao, the chief writer, used her identity as a scientist to invent a machine that can travel into cartoons. Chen Xiao chose the animation Pleasant Goat and Big Big Wolf among many cartoons. Chen Xiao, who traveled to Qingqing Grassland, changed her name to Snow Sheep and was the sister of Beautiful Sheep. She also met the anthropomorphic Pleasant Goat, Lazy Goat, Beautiful Goat, Boiling Goat, Warm Goat, Slow Goat, Little Gray Hui, Big Big Wolf, Red Wolf and many characters from cartoons.