In WWI London, out-of-work American chorus girl Myra makes ends meet by picking up men on Waterloo Bridge. During a Zeppelin air raid, she meets Roy, a naive young Yank who enlisted in the Canadian army. After they fall for each other, Roy tricks Myra into visiting his family, who live in a country estate outside London, his mother having remarried to a retired British Major. Myra is reluctant to continue the relationship with Roy, he not aware of her past.

Mae Clarkeas Myra Deauville
Douglass Montgomeryas Roy Cronin
Doris Lloydas Kitty
Frederick Kerras Major Fred Wetherby
Enid Bennettas Mary Cronin Wetherby
Bette Davisas Janet Cronin
Ethel Griffiesas Mrs. Hobley
Rita Carlyleas The Old Woman
Billy Bevanas Soldier on the Make (uncredited)