Rogue Nation

IMF Agent Ethan Hunt intercepts a shipment of nerve gas being moved from Minsk by The Syndicate, a secret consortium of rogue field operatives from various intelligence agencies that he has been tracking. At an IMF station in London, The Syndicate compromises the briefing. Before being gassed unconscious, he is forced to watch a blond man wearing glasses kill the station operative.
In Washington D.C., CIA Director Alan Hunley convinces a Senate committee to decommission the IMF and assimilate all the assets into the CIA after their actions caused destructive events in Russia. Agents Benji Dunn and William Brandt are forced to work for the CIA under strict scrutiny, while hacker Luther Stickell resigns in protest. Ethan awakes and is tortured by ex-KGB agent Janik "Bone Doctor" Vinter. He escapes with the help of Ilsa Faust, an undercover British MI6 agent. Six months later, Ethan, a wanted fugitive for refusing to turn himself over to the CIA, covertly passes information about The Syndicate to Benji and arranges his tickets to Turandot, performed at the Vienna State Opera. Upon Benji's arrival in Vienna, Ethan asks him to help track down the blond man who killed the IMF station operative in London.
At the opera, they encounter Ilsa and several other Syndicate agents there to assassinate the Chancellor of Austria. Ethan prevents the hit and escapes with Ilsa, only to witness the Chancellor being killed by a car bomb. Chased by Syndicate agents, Ethan and Benji are forced to release Ilsa to protect her cover. Hunley wrongfully blames both Ethan and Benji for the assassination and orders the Special Activities Division to capture or kill them both. Brandt finds Luther and convinces him to help him locate both Ethan and Benji before the CIA does.
Ethan and Benji find Ilsa in Casablanca, where she identifies Ethan's suspect as the rogue MI6 agent and leader of The Syndicate, Solomon Lane. The three then infiltrate an underwater vault beneath a power plant to retrieve a digital ledger stolen from Lane that purportedly contains the names of all Syndicate operatives. However, Ilsa flees with the data to London and meets her handler, MI6 Chief Atlee, who discreetly deletes the data and forces her to continue her undercover assignment.
Later, Benji and Ethan are found by Luther and Brandt. Luther discovers that the data, which was copied by Benji earlier before finding Ilsa, is an encrypted British government virtual red box that requires the biometrics of the prime minister of the United Kingdom to unlock it. They all travel to London, but Lane's men abduct Benji during the team's meeting with Ilsa at King's Cross railway station and use him to blackmail Ethan into decrypting and delivering the data to him. Despite Brandt's protests, Ethan accepts the mission. Brandt secretly reveals their location to Hunley.
In Oxford, Hunley, Brandt, and Ethan (disguised as Atlee) meet the Prime Minister, who confirms that The Syndicate was a secret black project proposed by Atlee to recruit former intelligence agents and perform illegal missions without oversight and zero accountability, which the Prime Minister unequivocally rejected. Ethan tranquilizes the Prime Minister; he and Brandt secure the Prime Minister's biometrics, allowing Luther to decrypt the file. When the real Atlee arrives, Ethan and Brandt force him to admit that he secretly started The Syndicate without the Prime Minister's knowledge before Lane hijacked it, after which Atlee tried to frame Ilsa.
When decrypting the file, the red box actually contains access to £2.4 billion in numerous accounts. Ethan destroys the data after deducing that Lane plans to fund The Syndicate with the money. Arriving at the meeting place arranged by Lane, Ethan finds Benji strapped to a bomb and wearing a headset and contact lens camera to serve as Lane's proxy alongside Ilsa. Ethan tells Lane that he has memorized the data and offers himself in exchange for Benji's safety. Benji escapes after Lane remotely disarms the bomb while Vinter's men chase Ethan and Ilsa through the Tower of London. Ilsa kills Vinter while Lane, who pursues Ethan, is lured into a bulletproof glass cell and gassed unconscious.
Having witnessed an IMF success firsthand, Hunley returns to the Senate committee and claims that their previous meeting served as the first part of an elaborate plan to help Ethan and his team expose and bring down The Syndicate, persuading the committee to restore the IMF. After the meeting, Brandt welcomes Hunley as the new IMF Secretary.