Eight adventures depicting the meeting between Matthew Ranklin and Conall O'Gilroy. They are:
The Salonika Road - describes how Matthew Ranklin is called into the new business of spying.
Climbing Spy Hill - Ranklin knows a theft is about to occur at a port but who is involved is unknown. It also tells how Ranklin meets O'Gilroy.
A London Club - Their boss gets another inkling how life in charge of the Bureau will be unusual.
Keeping The Code - Ranklin and O'Gilroy are tasked with transporting a code to Paris but soon learn others want it badly. Shows their meeting with Mrs. Finn.
Whitehall Court - Everyone, it seems, wants something from the Bureau even though most do not want to admit it exists - or help fund it.
A Postcard From Kiel - An agent is killed in Germany and Ranklin and O'Gilroy are dispatched to complete his mission.
Cavendish Square
This Faithless Time