A scientist accidentally develops a deadly gas that governments want their hands on.  He flees the country and Drake is sent to bring him back before enemy agents grab him.

 Drake is sent to get inside the political aspirations of a revolutionary candidate by posing as a gun runner.

An agent has been captured and interrogated.  Drake is assigned to spring him before he breaks.

Agent goes missing and M9 isn't sure if he is dead or alive.  Drake is assigned to find out.  What he finds is that it's a lot more complicated than anyone thinks as the opposition has found a way to infiltrate our side through the use of plastic surgery.

Drake is working for Sir Alan Grose to try and find out who is the double agent within the organization.

Drake is asked to check up on an old friend who may be passing information to the opposition.  He initially refuses the assignment, but decides to take the assignment figuring if there is any wrongdoing, he might be able to mitigate it.

 Agents are disappearing.  Drake is assigned to be the next courier in order to find out how.  But he has three contacts along the way.  All three have impeccable records.  But which one is working for the other side?

There's a security leak and the suspect is murdered by someone unknown.  Drake is assigned to unravel who killed the informant and discover just how the information was being passed on.

Drake's immediate plans are disrupted when London authorizes him to pick up a doctor who is targeted by the opposition and bring him to London.  He begins to suspect that forces are already moving against him before he gets very far.

An agent is killed in the field and Drake is sent to the African country where it happened to investigate the generals and leaders of a small mercenary band intent on seeing the country's leader die while under the knife in a hospital so that they may take control of the country.

The Ministry wants to continue good relations with an African country.  But agents have discovered that certain elements of that country have signed agreements with the Chinese.  It is up to Drake to find the evidence of this and turn it over to the African country's Prime Minister in order to expose the truth to him and keep relations with the British.

There's a nice Portuguese villa where an English lady and her husband reside.  Lodger's there are suspected when the husband disappears and Drake is assigned to see what's going on.  He is brought in on a smuggling ring by the lodgers who say they are smuggling industrial diamonds.  In reality, they are smuggling missile electronics.

A Chinese spy ring is operating in Singapore and Drake is sent to infiltrate, taking the place of a man already working for the ring, in order to try and bring the ring to an end.

After a fellow M9 agent is murdered Drake is sent to Rome to investigate and after retrieving the dead agent's tape recorder, learns about a ‘murder incorporated' organisation. Drake arranges for himself to be assassinated at midnight in order to flush out the assassin and to identify the leader of the organisation.