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 their minds wiped. But, they're called back to action as sinister forces emerge from the past. With the help of spymaster Bernard Orlick, these former lovers must remember the past to save the future.

Cruz Manuelos, a rough-around-the-edges but passionate young Marine, is recruited to join the CIA's Lioness Engagement Team to help bring down a terrorist organization from within. Joe, the station chief of the Lioness program, is tasked with training, managing and leading her female undercover operatives.

In 1977 Moscow, two "PONIES" ("persons of no interest") become CIA operatives and uncover a Cold War conspiracy their husbands were killed for.

Four Spanish ex-intelligence officers are assassinated simultaneously worldwide. The CNI discovers all participated in the covert "Operation Ciénaga" decades ago in Colombia. Zeta, the CNI's best operative, must hunt and protect the sole survivor, facing his deadliest global mission yet. Top Colombian agent Alfa will join Zeta, seemingly knowing more about "Ciénaga"'s secrets than him.

A mysterious traveler slips into the heart of Karachi's underbelly and rises through its ranks with lethal precision, only to tear the notorious ISI-Underworld nexus apart from within.

Nick Fury and Talos discover a faction of shapeshifting Skrulls who have been infiltrating Earth for years.

After his life is turned upside down when his wife is killed in a London terrorist attack, a brilliant but introverted CIA decoder takes matters into his own hands when his supervisors refuse to take action.

Prima ballerina Dominika Egorova faces a bleak and uncertain future after she suffers an injury that ends her career. She soon turns to Sparrow School, a secret intelligence service that trains exceptional young people to use their minds and bodies as weapons. Dominika emerges as the most dangerous Sparrow after completing the sadistic training process. As she comes to terms with her new abilities, she meets a CIA agent who tries to convince her that he is the only person she can trust.