It's never easy to move from the house you grew up in, but when the cause is the death of your father, it's much, much worse. The new house turns out to be haunted by strange beings defending something called the Source. Enemies are already nipping at their heels and the neighbours are under the mind control of the evil Mrs Constance. What can three kids do against someone who can order people to cut their own throats, and the woman who has already killed their father? Now it's up to Mandy, William, and Jenny to somehow save the day But can they save their neighbours from certain death and protect the Source from those who seek to wield its power?