(A phone buzzes on his desk. (The DOCTOR steps forward.) And the reason we are here, is that this is a scientific labour camp. DOCTOR: Staffed by slave labour, I take it? He is dressed in a white collarless suit. Where?!
Plan: A: The Doctor; Q: Who finds himself in a parallel universe where Britain is a dictatorship? A: the Inferno Project; Q: What is the name of the slave labour camp in the parallel universe? A: his friends' counterparts; Q: Who polices the Inferno Project? Summary: The Doctor finds himself in a parallel universe where Britain is a dictatorship and the Inferno Project is a slave labour camp policed by his friends' counterparts.