U.N.C.L.E. must find a way to discredit Laslo Kurasov and derail his ambitions, or he will use the power of his tiny country to create untold suffering. To do it, agents Solo and Kuryakin enlist a civilian chemist and his wife to help sell a fraudulent weapon. But Kurasov is a canny opponent, not easily fooled. When a glitch threatens to derail the plan, the agents must react quickly to salvage it.