The Spy in the Green Hat

Solo and Kuryakin are assigned to infiltrate a THRUSH secret base hidden within a Sicilian winery. The base is run by Louis Strago, who collaborates with former Nazi Dr. von Kronen to detonate atomic bombs in the Atlantic. The bombs are designed to divert the Gulf Stream, threatening Europe and the United States and creating THRUSHland.

As the agents gather intelligence, it becomes clear that the plan would unleash global havoc by altering ocean currents. The scale of Strago's scheme confirms the stakes are far higher than a simple capture. UN.C.L.E. begins to race against time to understand and stop the threat.

The agents are separated after an encounter with THRUSH. Solo hides overnight at Pia Monteri's house, trying to evade pursuit and keep a low profile. Pia's family situation adds tension to the already dangerous mission.

Pia's grandmother views Solo's presence as a disgrace to the family and brandishes a shotgun to enforce a marriage proposal. Solo maintains that nothing improper happened, but the pressure mounts. The scene underscores the cultural clash surrounding the covert operation.

Solo escapes the wedding but Pia's uncles recruit the aid of the Stiletto brothers, Prohibition-era gangsters who long for the old days. They come to find Solo and ensure Pia's future is secured by conventional means. The alliance adds a volatile element to the already dangerous mission.

In a memorable scene, Fingers Stiletto smashes a grapefruit half into his wife’s face, then breaks the fourth wall by staring into the camera. This moment serves as a wink to classic cinema and showcases the Stiletto clan's theatrical behavior. It adds dark humor amid the escalating danger.

Miss Diketon appears to rescue Ilya Kuryakin by stabbing one of the THRUSH thugs in the back, a brutal action that foreshadows her notorious on-screen persona. The rescue reveals shifting loyalties among the THRUSH members. The moment heightens the tension on the island setting.

Kuryakin is captured by Strago and subjected to torture by Miss Diketon. He is scheduled to be executed at a party held for THRUSH superior Mr. Thaler, ratcheting up the peril before UN.C.L.E. can intervene. The scene underscores the personal stakes for the agents.

UN.C.L.E. learns of the island plot thanks to Solo's efforts and dispatches an assault force to bomb the base. The countdown to violence begins in earnest as the island's defenses tighten. The plan shifts from covert action to direct military strike.

Solo attempts a daring rescue of Kuryakin and Pia before the bombers strike. Strago's defenses prove formidable, forcing Solo to adapt and seek unlikely allies. The rescue mission becomes a race against time and a test of Solo's resourcefulness.

With Strago's defenses overwhelming him, Solo aligns with the Stiletto brothers who have arrived for Pia. The unlikely alliance blends street-smart prowess with U.N.C.L.E.'s methodical planning. The coalition strengthens the chance to avert catastrophe.

Miss Diketon betrays Strago after being dismissed for a minor error, choosing to aid UN.C.L.E. and the Stilletos in stopping the missile launch. Her betrayal pivots the battle in the heroes' favor. The act also seals her own brutal fate in the ensuing chaos.

A final firefight kills Strago, Thaler, and von Kronen, bringing down the core of THRUSH's operation. Diketon also dies, savoring both the pain and the failure of Strago's plans. The heroes' efforts culminate in a hard-won victory.

Pia's family stops pressing Solo to marry her, and the group shares a relaxed Italian dinner. The mission ends with a sense of restored order and camaraderie. The film closes on a peaceful, celebratory note after a perilous mission.