(Stock footage of a Concorde taking off with a lingering look at the landing gear folding up. Adric is dead! Back inside the TARDIS.) DOCTOR: And me. TEGAN: That's not Hyde Park, that's Heathrow Airport!
Plan: A: Adric's death; Q: What is the Doctor still dealing with? A: London's Heathrow airport; Q: Where does the Doctor land the Tardis? A: a missing Concord SST; Q: What is the Doctor involved with? Summary: The Doctor still dealing with Adric's death, lands the Tardis at London's Heathrow airport and soon becomes involved with a missing Concord SST.