When a thick fog spreads from Never Land, through the hole between worlds and into Gabbys bedroom, the Never Girls decide its time to take another visit to Pixie Hollow. As soon as they arrive, they realize the fairies are worried they have never seen weather like this before. And when the mist brings mist horses, Kate sees an opportunity for adventure, so she jumps on a horse and takes off. But an old legend worries the fairies: Mist in the morning, fairies take warning. When the mist finally lifts, will it take Kate with it?