Tilly is a young witch. She is the very best witch. Tilly is on a quest to find the ingredients to make up a magic potion for her sister, Emily. Emily has been ill for many months and her condition is not getting better. Tilly knows where the ingredients are. They are right next door. What she does not know is that the man living next door has been kidnapped and another has taken his place. Tilly has to battle a raging tree, a blood-thirsty praying...