Willy, a very rational boy, is forced to grapple with his unpredictable emotions on an adventure with a classmate. On a journey through a nearby forbidden forest, he discovers nine primary emotions that put him in hazardous situations, then help him overcome them. Each emotion appears in the form of a colorful light. On his way to school, he meets his first emotion, Happi, and soon after Wonder drags him into the forest. He struggles with Panicky...