CHIEF SEA DEVIL: (To the DOCTOR.) MAIN CHAMBER
(The base continues to rock with the attack.) The DOCTOR is stood there waiting for them.) The LT. Yes...I tried to make peace but I failed.
Plan: A: The Doctor; Q: Who is taken to the Sea Devils' underwater colony? A: the creatures; Q: Who does the Doctor try to make peace with? A: the base; Q: What does the navy attack when the Doctor tries to make peace with the Sea Devils? Summary: The Doctor is taken to the Sea Devils' underwater colony where he tries to make peace with the creatures, only for the navy to attack the base.