When Lena, a young Polish immigrant working as an office cleaner at Heathrow Airport, misses her last bus home, she accepts an offer of help from friendly co-worker Birdie, who lives nearby with her 'adoptive' parents.
When Lena, a young Polish immigrant working as an office cleaner at Heathrow Airport, misses her last bus home, she accepts an offer of help from friendly co-worker Birdie, who lives nearby with her 'adoptive' parents.