Eleven year old Jodie struggles to concentrate and disrupts her lessons. She has earned the reputation of classroom clown. Her younger brother suffers severe nightmares that make him ill. She secretly fears that her brother's illness is connected to her own night terrors. Jodie dreams that balls of lightning take her to a place where aliens do painful things to her head. She is terrified the aliens are behind her brother's illness and fears that she will become ill too. She decides to stay awake to discover more about the weird lightning spheres. Where do they take her? What are the aliens doing to her? Are her dreams real? Can she save her brother? Will she survive?