A true crime movie about a crew of retired crooks who pull off a major heist in London's jewelry district. What starts off as their last criminal hurrah, quickly turns into a brutal nightmare due to greed.

A cyber-attack reveals the identity of all active undercover agents in Britain, leaving Johnny English (Rowan Atkinson) as the Secret Service's last hope. Called out of retirement, English dives head first into action with the mission to find the mastermind hacker. As a man with few skills and analogue methods, Johnny English must overcome the challenges of modern technology to make this mission a success.