New York art expert Colin Grant is sent to Vienna and bid on a priceless Old Master on behalf of a Texan millionaire. No sooner has Grant landed in Austria than his seemingly simple assignment turns into a nightmare, as he finds himself at the center of a conspiracy to unleash a wave of international terrorism.

Under the Mediterranean sun, a drama begins in a café in Málaga. For Ian Ferrier, an employee of the United States Space Agency on holiday to visit his old friend Jeff Reid, it means the startling discovery that Reid is not just a wine exporter, but rather engaged in smuggling communist defectors to the West. Events take a turn for the worse when Ferrier, a stranger to the deadly world of espionage, must take sole charge of a high-ranking KGB agent. Alone in an frighteningly alien landscape, he can afford no mistakes when choosing whom to trust …

When journalist Karen Cornell is invited to a peace conference in Prague, she only goes on the understanding that she will be granted a valuable interview. Instead she finds herself chosen for a more hazardous task: carrying top-secret documents from a potential Czech defector back to Washington. With the papers safely in the hands of Peter Bristow, the one CIA man Karen can trust, she is sure her part in the drama is over, but soon she is pulled into an astonishing web of blackmail, assassination and treason at the highest level. 

Irina Kusak’s recently divorced husband, Jiri Hrádek, is a high-ranking official in the Czechoslovakian secret police: cruel, ambitious, utterly ruthless. So when he turns a blind eye to her defection to the West, she is uneasy. Aided in her escape by a group of friends, including David Mennery, an American with whom she once had a passionate affair, Irina begins to feel herself truly free. But soon their journey becomes a nightmare. It becomes clear that Hrádek only allowed Irina to defect in order to bait a trap for her father.

In 1945, with their thousand-year empire falling around them and the Allies on their heels, the Nazis hide a sealed chest in the dark, forbidding waters of the Finstersee—a lake surrounded by the brooding peaks of the Austrian Alps. There it lies for 21 years, almost forgotten, until a British agent decides to raise it from the depths. The secrets he uncovers are far-reaching and lethal, and in Salzburg, Bill Mathison, a New York attorney on the trail of a missing colleague, finds himself drawn into the shadowy underworld of international espionage.