Citadel

An MI6 deputy's bright future takes a sharp turn after a reunion with a Russian spy forces him to question his entire life.

Nikita is a drug-addicted juvenile delinquent who was accused of killing a police officer in cold blood during an attempted robbery of a pharmacy. She is later arrested and sentenced to death by lethal injection, upon which she was secretly drugged by the government, faking her death. Nikita is then "recruited" by a secret government organization and transformed into a highly skilled assassin who cannot be traced.

Recruited out of law school by the CIA, a daredevil young attorney leaps unprepared into the dangerous world of international espionage.

Dan Chase absconded from the CIA decades ago and now lives off the grid. When an assassin arrives and tries to take Chase out, the old operative learns that to ensure his future he now must reconcile his past.