In this thrilling sequel to Disney s Escape To Witch Mountain, automobiles mysteriously fly and humans float in thin air as sinsiter masterminds Cristopher Lee and Bette Davis unleash a diabolical plan. The entire city of Los Angeles teeters on the brink of nuclear disaster when the greedy criminals manipulate a young boy s supernatural powers for their own devious gain. But the youth s sister and a streetwise band of truants join f-rces in a desperate attempt to save the city from destruction.