INTRODUCTION

"There is no such thing as a traitor. Just an undercover agent."

We join the team of U.N.C.L.E. as they carry out their newest mission in Istanbul. Napoleon Solo, Illya Kuryakina and Gaby Teller are all under the command of Alexander Waverly, an experienced British agent. He introduces them to a new member of the team: mysterious and isolated CIA Agent Simona Veranda. As the team continue to find more and more links, they discover that someone on they know is working undercover for a Nazi Rebellion Group with blueprints for an extremely powerful nuclear weapon. Who is sabotaging the team's mission? And can the U.N.C.L.E. spies make it through another daring and dangerous adventure?