When a nefarious villain exposes the identities of all undercover agents in Britain, the secret service turns to its least likely savior: Johnny English. Now a prep school teacher, Johnny reluctantly returns to the field to track down the elusive hacker behind the chaos. Armed with outdated techniques and a questionable skill set, he must navigate a world dominated by modern technology. As he stumbles through the mission, the stakes rise, and only his unique approach can save the day from impending disaster.