Paleontologist Dr. Arthur Calgary visits the Argyle family to give them an address book that belongs to Jack Argyle. But he is told that Jack has been executed for the murder of his wife. But the address book can prove that Jack was innocent, so Dr. Calgary starts the investigation all over. Written by
Once the murder was solved, the real mystery began...
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's daughter, who had approval of the script, was initially concerned that Michael Elphick
's police inspector, modeled to some extent after a harder-nosed American-style police officer, would prove unpopular among the local constabulary in Devon, where she lived. See more
Edited into Give Me Your Answer True