: The series is famous for demonstrating how the "Deep State" or civil service uses delay, fear-mongering, and "diplomacy" to stymie political reform.

The show centers on three primary characters whose interactions highlight the struggle for power and influence within the Department of Administrative Affairs (DAA):

( Paul Eddington ): Initially the Minister for Administrative Affairs, Hacker is often idealistic but easily swayed by concerns about his public image, votes, and status.