The World War of Agents - Jan Guillou tells

Four women who were drawn into the equally dangerous and secret agent activities during World War II. The Norwegian office girl Eva. Karin a young communist, poet and adventurer, one of the Swedish intelligence service's most important agents. Jane, who was suspected of being a German spy. And then Sonja, the celebrated Norwegian actress who was recruited by the Swedish intelligence service to infiltrate the top German leadership in her occupied homeland.