Citadel: Diana

An undercover agent goes on a dangerous mission to bring down a crime ring. Fueled by a bitter and painful past, he along with his allies faces the...

A young agent goes undercover to befriend a drug smuggler's wife. But the closer she gets to her target, the more complicated her mission becomes.

When the past catches up with two former spies, their biggest challenge isn't car chases, shootouts or fistfights — it's telling each other the...

A gifted woman's intellect brings chance to lead covert European police force. But it backfires, costing her everything. Following murder at her home...

What if you lost your memory? What if a spy didn’t know they were a spy? Years ago, the top agents of Citadel, Mason Kane and Nadia Sinh, had...

When a spy posing as a politician's wife learns her lover has been murdered, an old assassin friend joins her on a quest for truth — and...

France, 1504. A ruthless assassin goes on the run with his estranged daughter in his quest to protect her from deadly enemies and evil forces.

In the shadowy world of espionage, Sam Fisher is a rumor and a legend. Pulled back into action, he must help a new recruit unravel a global...

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

Dreaming of going pro, a young fighter struggles to be seen until an unexpected face-off lands him a shot at the big time — and a ruthless...