In Britain, MI6 operative Aidan Snow witnesses a ruthless murder.
Paddy Fox, a jaded ex-SAS soldier, foils the kidnap of a member of the Saudi Royal Family.
Russia is making offers - and demands - to Ukraine that cannot be refused.
In Saudi Arabia an al-Qaeda terror cell prepares for a mission.
How are all these events connected? And what is Cold Black?
Aidan Snow must fit the pieces of the puzzle together before it's too late.