As a decoy. Blitzer: Three two one. Clara: And it's bigger on the inside than the outside. Clara: I just think, with the school in danger
Clara: Danny, why are you? Clara: Not a soldier. Clara: The Doctor is
The Doctor: Go on. Danny: About what? Danny: In a rush. Danny: It's like you're trying to be mysterious. Danny: Welcome to Coal Hill, Mister Smith. Deep cover. Nothing at all. One of the deadliest killing machines ever created. Seb: Skovox Blitzer, sounds like. Skovox Blitzer! That's who he is. The Doctor: A Skovox Blitzer. The Doctor: Er, 74 hours. The Doctor: Exhibit A.
Clara: It's called a TARDIS, but it's disguised as an old police phone box. The Doctor: I switch them on, the Blitzer gets sucked into a big old time vortex, billions of years into the future. The Doctor: The caretaker's box. The Promised Land. To a school? What about the handsome one, the one with the bow tie?
Plan: A: two separate lives; Q: What is Clara trying to maintain? A: a school teacher; Q: What is Clara's other job? A: the caretaker; Q: What is the Doctor's cover at Coal Hill? A: the Doctor's trap; Q: What did Danny accidentally tamper with? A: 74 hours; Q: How many hours into the future was the Skovox Blitzer sent? A: Clara's double life; Q: What does Danny learn about Clara? A: a soldier; Q: What does the Doctor believe Clara made an error in dating? A: three; Q: How many people work together to trick the Skovox Blitzer? A: Danny warns; Q: Who warns Clara about the Doctor? A: A disintegrated community support officer; Q: What awakens in the Nethersphere? A: the promised land; Q: What is the Nethersphere also known as? A: Seb; Q: Who is Missy's assistant? Summary: Clara is trying to maintain two separate lives: one as the Doctor's companion, and the other as a school teacher in a relationship with Danny. The Doctor goes into deep cover as the caretaker at Coal Hill. Tracking the Skovox Blitzer, one of the deadliest machines created, he plans to displace it a billion years into the future where nothing else can be harmed. Danny accidentally tampers with the Doctor's trap, and the Skovox Blitzer is only sent 74 hours into the future. The Doctor learns of Danny's relationship with Clara, and Danny about Clara's double life. The Doctor believes that Clara made an error in dating a soldier. When the Skovox Blitzer rematerialises earlier than expected, the three work together to trick it into deactivating. Danny warns Clara about the Doctor pushing her into dangerous actions. A disintegrated community support officer awakens in the promised land, also known as the Nethersphere, being greeted Missy's assistant Seb.