Rookie cop Billy Costigan infiltrates the mob to help bring boss Frank Costello down, but Costello has a mole of his own winning everyone's trust within the police department.

"When a high-level mole infiltrates American Intelligence, President Jack Ryan dispatches John Clark and the Campus team to track down a missing scientist who holds critical aerospace and naval technology"--

In 1954, Emilia Winthrop, a professor at Wellesley College, is summoned to CIA headquarters where she’s forced to confront the harrowing consequences of the summer she exposed a traitor amongst the New England elite and a choice that could destroy her chance for redemption all over again.

When two of the seven sisters--American assets who have been deep undercover in Russia for decades--cut off all communication with their handlers, Charles Jenkins, despite being on a Russian kill list, returns to the country, where he must track them down--or die trying.

In 1940, Evelyne Redfern, a secretary for Prime Minister Winston Churchill in the cabinet war rooms, uses all of her amateur sleuthing expertise garnered from years of reading mysteries to solve a murder, teaming up with a cagey minister’s aide to expose a traitor in their midst.