Miss treadway and the field of stars

Soho, 1965. In a tiny flat above a Café lives Anna Treadway, a young dresser at the Galaxy Theatre. When the American actress Iolanthe Green disappears after an evening’s performance the newspapers are wild with speculation. As the case grows colder, it seems Anna is the only person left determined to find out the truth. How do you find a missing actress in a city where everyone is playing a role?