(The Silurians bring the DOCTOR to the cages where Major BAKER is imprisoned. QUINN is clearly dead. Tell the Brigadier. You are not to take your men into those caves.
Plan: A: Quinn; Q: Who is dead? A: the Brigadier; Q: Who decides to take an armed party into the caves? A: the Silurians; Q: Who does the Doctor contact? Summary: With Quinn dead, the Brigadier decides to take an armed party into the caves, prompting the Doctor to contact the Silurians himself.