In 1940 Sally Maitland is forced to leave England, ostracised as a Nazi sympathiser by everyone including her well-to-do family. On the ship to Halifax, Canada, she is courted by Polish aristocrat Jan Orloch and by awkward British navel intelligence officer Jimmy Garrick. She shows herself somewhat more amenable to Orloch's advances, and agrees to meet his mother in Halifax. Once there however, it becomes clear no-one is really who they say they are.

Anna Neagle
as Sally Maitland

Richard Greene
as Lieutenant Commander Jim Garrick

Nova Pilbeam
as Betty Maitland

Albert Lieven
as Jan Orlock

Lucie Mannheim
as Madame Orlock

George Thorpe
as Colonel Charles Hargraves

Marjorie Fielding
as Lady Maitland

Franklin Dyall
as Captain Foster

Margaret Rutherford
as Mrs. Towcester

Claude Bailey
as Major Fothergill
CinemaSerf
Anna Neagle ("Sally") is quite efficient as the supposed Nazi sympathiser who abandons her family in a frequently bombed London and heads to the safety of Nova Scotia. En route, she attracts the attention of both the suave Polish officer "Jan Orlock" (Albert Lieven) and of the apparently hapless Bri...