The 9.45 To Bletchley (The Dudley Sisters Saga)

In the midst of the Second World War, and charged with taking vital equipment via the 9:45 train, Ena Dudley makes regular trips to Bletchley Park, until on one occasion she is robbed. When those she cares about are accused of being involved, she investigates, not knowing whom she can trust. While trying to clear her name, Ena falls in love.