Benny and the Doctor land on Earth in the late 30th century, in order to find out more information about a missing alien space ship. They are eventually arrested for murder by Adjucator Roz Forrester and her partner/squire Chris Cwej. The Doctor discovers that the person behind his arrest, and also responsible for supporting the Earth Empire, is none other than Tobias Vaughn, the former head of International Electromatics and collaborator with the Cybermen.
Benny and the Doctor arrive on Earth in the late 30th century to gather information about a missing alien spacecraft. They are later apprehended by Adjucator Roz Forrester and her partner/squire Chris Cwej for murder. The Doctor learns that Tobias Vaughn, formerly head of International Electromatics and a Cybermen collaborator, is behind his arrest and the support of the Earth Empire.