1940s, Washington DC. Government girl Louise is blackmailed into investigating the suspicious death of a missing co-worker, with sinister consequences1940s, Washington DC. Government Girl Louise Pearlie is asked to review the file usage of a missing analyst from the Office of Strategic Services – the US’s wartime intelligence agency – only to learn he’d drowned in the Tidal Basin days before. OSS confirm it was an accident, and Louise is sent back to her regular job in the file rooms.