This story begins with Fitz and Anji working for the Good Times Inc. Company. They are working undercover for the Doctor, who is shocked to discover a company that is selling holidays in time.
The climax of the story results in the destruction of billions of universes. The Doctor and Sabbath realise all time travellers must be stopped, to prevent these events from happening again. However, at the end of the book a man reveals he has a time-travel machine and proceeds to begin interfering in time once again.........