While visiting an old friend, Miss Marple discovers that there may be new evidence concerning the notorious Blue Geranium murder case.

While visiting an old friend, Miss Marple (Julia McKenzie) discovers that there may be new evidence concerning the notorious Blue Geranium murder case. Can Marple unlock the clues before the wrong person is found guilty of murder? Sharon Small ("The Inspector Lynley Mysteries") and Toby Stephens ("Jane Eyre") guest star.