Autumn Chester's life was fine until some mysterious neighbours moved into the house next door. Autumn and her friends, Ophelia Noel and Jasper Ervin, get weird dreams, but what's more? Their neighbors, Eros and Elora Thorn, know exactly what happened. They promised to explain everything. But can they trust the people whom they have known for two weeks?They decided to see how it goes, but their average evening had turned their world upside down, especially Autumn's. Something horrible happened to Autumn's parents, and the four Seasonal Ethereals are given a quest to open the Green Portal to save them.Can they complete their quest on time? or will Autumn lose her parents?