Solo is suspected of being a double agent.
Napoleon and Illya visit a THRUSH island casino where VIP patrons have been brainwashed into committing suicide.
Napoleon and Illya are caught between a THRUSH master spy and his brilliant protégé in a feud for control of the earth.
In Manhattan, Napoleon is hunted as prey by a former THRUSH agent who blames Solo for his downfall.
The men from U.N.C.L.E. travel from Africa to a Persian palace in search of a deadly Thermal Prism that could be used to dominate the earth. (Part 1 of 2)