Three months after their escape on the lake, at Easter, Wesley, Graham and Scott, Wesley's mother, Pam, and English exchange student, Emily Pontington-Hunt travel to an outback property near Broken Hill owned by Rhonda Adamko, an old friend of Pam. But Emily is now the target of foreign terrorists after a failed attempt in Paris to assassinate her father, Sir Nigel, a high-ranking civil servant. The Australian Federal Police, under the direction of a suspiciously-acting Chief Superintendent Venturi, mount an operation to protect her, which goes horribly wrong. Emily is captured and taken on foot across the desert, pursued by her friends, until rescued by a mystical, aboriginal tracker. It is only during the final battle with Australian Army commandos that the cynical Venturi's deplorable, ulterior motive is revealed