1947. Charlie Saint-Clair, expelled by her family from her native America for an offense bordering on a crime against decency, arrives in Europe hoping to find her cousin who disappeared in France during the German occupation. 1915. Young Eva Gardiner is eager to fight the Germans, and unexpectedly she gets such a chance. The intelligence service offers Eva to become an agent in the French territory occupied by the Boches. She will be guarded by the famous Alice, the queen of spies, managing the Alice Network right under the noses of the Germans. Thirty years later, Eva, crushed by the burden of guilt for the betrayal that ruined the Alice Network, spends her days in a half-ruined London house trying to drown despair and pain in alcohol. But one day her solitude is broken by a stranger who utters a name Eva hasn't heard in many years. From that moment, the former spy and former student begin a search that will take them too far. The novel is based on the true story of the famous Alice Network, the most effective intelligence organization operating in France during the First World War.