Many changes are taking place on Green-Green Grassland this year. Wilie starts his school life. Paddi has an experience with supernatural power after getting hit by an apple from a tree. Most of the other goats are studying hard; Slowy invents miraculous machines; Wolffy and Wolnie keep trying to catch a goat. Those changes on Green-Green Grassland have become the dominant force to bring fun and joy to children all over the world.

A petty thief posing as an actor is brought to Los Angeles for an unlikely audition and finds himself in the middle of a murder investigation along with his high school dream girl and a detective who's been training him for his upcoming role...