Book 2: The Woods of Adventure (Part 2)

S1 E5: After Bill arrives, Dinah questions what he really does for a living, suspecting that he might be a secret agent. The children slip away to look at the Castle again. But this time they are chased by an unseen malevolent force. In their panic to escape, Kiki gets lost and Jack refuses to leave her. Unknown to the children, Kiki has been captured by a disturbed young man.