Movies like Vivegam

A celebrated covert operation specialist Ajay Kumar is assigned a high risk mission to retrieve the detonation codes for deadly plutonium weapons stolen by terrorists to upset the world order. After putting his unparalleled skills to use he finds himself on the verge of successfully completing the mission, only to be shocked by treasonous acts which he wouldn't have even dreamt of. He is then left to deal with overwhelming odds stacked against him in order to survive.