Season 6 - Episode Guide

Billy finds a newspaper with words cut out of it, and realises it has been used to write an anonymous message.

Ann goes to talk to the archaeologists to try and find out why the dig at Battle was abandoned.

Ann decides to bring the newspaper messages to the police, but Carter manages to sabotage her car and steal the messages.

Clive arrives at the cottage to find Miss Wood terrified, having read the latest threatening message. Meanwhile, Billy pursues Carter at the beach.

Carter makes off with Miss Wood's bags at the train station. Meanwhile, Ann gets a useful history lesson at the museum.

Clive and Carter break open Miss Wood's bags, but fail to find the artefact. Meanwhile, Billy makes a discovery on Carter's boat.

Ann recognises Carter as the man who stole the newspaper messages, but Jack Dunbar is unimpressed with her story because it lacks hard facts.

Billy follows Miss Wood towards the caves, but on his way he runs into Clive.

Billy follows Miss Wood around the caves and watches her dig the artefact up, but Clive is in hot pursuit.

Clive and Carter lock Billy into the cabin of the boat, but he finds a flare which he uses to draw attention to himself. In a rage, Carter pushes him into the sea.