Billy finds a newspaper with words cut out of it. The missing words form a message
Ann goes to talk to the archaeologists to try and find out why the dig was abandoned.
Ann decides to bring the newspaper messages to the police, but Carter sabotages her car.
Clive arrives at the cottage to find Miss Wood terrified by another threatening
Carter makes off with Miss Wood's bags at the train station.
Clive and Carter break open Miss Wood's bags, but fail to find the artefact.
Jack Dunbar is unimpressed with Ann's 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.
Clive and Carter lock Billy into the cabin of the boat, but he finds a flare.