When severe fog forces her to stay at the London hotel at which she just attended a costume party, barrister Leslie (Merle Oberon) discovers that there are no rooms available. After encountering uptight lawyer Everard (Laurence Olivier), she talks him into allowing her to spend the night in his room. But when Everard fears that his chivalry may involve him in a divorce suit, complications ensue. Charming British romantic comedy co-stars Ralph Richardson, Binnie Barnes. 92 min. Standard; Soundtrack: English.