Griffiths Jones is ("Dr. Paul Martin") who leaves his wife to go on a Cornish fishing trip where he falls foul of mischievous mermaid "Miranda" (Glynis Johns) who holds him captive in her underwater grotto. Her condition for release is that he take her to London where, abetted by Margaret Rutherford as "Nurse Carey" she wreaks havoc, flirting with all the men she meets. It's a rather one-joke filmver mais...

This is a rather harmless old black and white comedy-fantasy. I had never heard of it before this opportunity came along to watch it, and the only name I recognized was jolly Margaret Rutherford, a familiar and very busy character actress for decades. Glynis Johns carries the film with her pretty face, blond hair and vibrant personality. The fantasy aspect is that she plays a mermaid. It is notver mais...