And that machine of theirs? Attack, attack, attack. Has a dummy. MARSHAL: And another. MARSHAL: The Doctor must not die. ROMANA: A trap. ROMANA: Who? There may be someone on the other side. Why should the Marshal, leader in a war against Zeos, be the only one to know of a transmatter link with the enemy planet?
Plan: A: Romana; Q: Who is the Doctor with when he tries to escape the Marshal? A: their TARDIS; Q: What is buried under a pile of rubble? A: Zeos; Q: What alien race attacked the TARDIS? A: a unknown source; Q: Who may have kidnapped someone? Summary: When the Doctor and Romana work to escape they Marshal, they not only discover that their TARDIS has been buried underneath a pile of rubble from a recent Zeos attack, but also they discover someone who may be trapped and kidnapped by a unknown source.