(He crosses over to the troops as the DOCTOR continues to plead with the BRIGADIER.) DOCTOR: Time to find out the truth. GLOBAL CHEMICALS. Giant maggots indeed! What's going on here?
Plan: A: a full UNIT force; Q: What does the Brigadier call in to deal with the giant maggots? A: the Doctor; Q: Who infiltrates Global Chemicals? Summary: The Brigadier calls in a full UNIT force to deal with the giant maggots while the Doctor infiltrates Global Chemicals to find out what is really going on.