In the climax of the movie, American CIA agent Napoleon Solo (Henry Cavill) and KGB operative Illya Kuryakin (Armie Hammer) successfully prevent the criminal organization led by Victoria Vinciguerra (Elizabeth Debicki) and her husband, Alexander (Luca Calvani), from obtaining nuclear weapons.
In the resolution, it is revealed that Illya has defected from the KGB and has decided to work with Solo on future missions for the United Network Command for Law and Enforcement (U.N.C.L.E.). Despite initial tensions and conflicts between the American and Russian agents, they form a strong partnership during the mission.
The film ends with Solo and Illya working together on a new assignment and sharing a mutual respect. Gaby Teller (Alicia Vikander), who played a crucial role in the mission, is revealed to be a spy herself, and her allegiances become ambiguous, leaving room for potential developments in future missions.
The final scenes suggest that Solo, Illya, and Gaby will continue working together as a team for U.N.C.L.E., emphasizing the idea of collaboration between former adversaries during the Cold War era.
In summary, “The Man from U.N.C.L.E.” concludes with the successful mission, the formation of a partnership between Solo and Illya, and the implication of future adventures for the newly formed U.N.C.L.E. team. The film captures the style and charm of 1960s spy thrillers and sets the stage for potential sequels.