Lumen has a recurring nightmare about an angry, brutish troll. After many late night wake ups, her parents take her to The Dream Weaver, a magical and wacky old lady with a storefront downtown. The Dream Weaver does her best to extract Lumen's nightmare, though bad dreams are stubborn. The Dream Weaver then combines her nightmare with good dreams, and Lumen learns to see her bad thoughts in a new way. Lumen and her parents sleep through the night once again.