The savvy CIA agent Kevinwas undercover in the underworld to complete a classified mission to prevent nuclear weapons from flowing into the black market, but he was killed when he was about to successfully complete the mission, because the key to solving the case was already reached At the moment and time is pressing, the CIA has no choice but to arrange for Kevin's long-lost twin brother Jackto continue this mission.
However, although Jack looks exactly the same as Kevin, he is an office worker who knows nothing about the skills of secret agents. In order to train him to become an undercover super agent, the CIA can be said to be very troubled, so he found Kevin’s partner Gaylordconducts emergency training on Jack and trains him as a super agent in just 9 days
.
