Navy Lt. Tom Farrell meets a young woman, Susan Atwell , and they share a passionate fling. Farrell then finds out that his superior, Defense Secretary David Brice, is also romantically involved with Atwell. When the young woman turns up dead, Farrell is put in charge of the murder investigation. He begins to uncover shocking clues about the case, but when details of his encounter with Susan surface, he becomes a suspect as well.
When an unauthorized letter is sent to Moscow alleging the U.S. government's willingness to help Russia attack China, former naval officer Charles Rone and his team are sent to retrieve it. They go undercover, successfully reaching out to Erika Kosnov, the wife of a former agent, now married to the head of Russia's secret police. Their plans are interrupted, however, when their Moscow hideout is raided by a cunning politician.
Reporter Michael Gordon uncovers intrigue in Damascus, where the Allies and Nazis struggle for control of Arab sympathies.
Some dastardly criminals have stolen some top secret plans and tattoo them on the back of a woman so she can sell them to the highest bidder in Lisbon. This woman plans to take the place of a 'Sidney Royce', a legitimate traveler going to Lisbon as a reporter. Crossed signals allows the real Sidney to reach Portugal first, where she is pursued by those trying to obtain the plans and US government agents trying to prevent the sale.
After a plot to kill the president of the USA an agent with lost memories tries to recover his life and memories. Others use him to cover up some dirty business involving high ranking officials from the CIA and the White House.
During the 1950s, Helsinki was the focal point of the Cold War, as global powers and their intelligence agencies coalesced in the small neutral country that stood between the East and the West. Shadow Lines is an international spy thriller that follows a secret intelligence team whose mission is to defend the independence of Finland no matter the cost.
