Arriving on an Australian beach in the future, the Doctor is mistaken for political leader Salamander. It gives Giles Kent an idea about how to infiltrate a research centre…

Jamie and Victoria travel to Europe where they infiltrate Salamander's staff. Salamander plots to take control of the Central European Zone by discrediting its leader, Denes.

Jamie and Victoria befriend Fariah, intent on discovering the truth about Salamander. Astrid plans to rescue Denes, but not everything goes according to plan.

Kent coerces the Doctor into agreeing to impersonate Salamander. Deep beneath his research centre, Salamander is hiding a dark secret.

Impersonating Salamander, the Doctor infiltrates the research centre, but Benik becomes suspicious. Underground, Salamander's deception is discovered.

Astrid discovers the underground bunker and Salamander's secret. On the surface, Giles Kent reveals his true colours.