: Two years after the murder, Dr. Arthur Calgary appears. He was the one person who could have provided Jacko with an alibi but was in an accident and suffered from amnesia.
: Agatha Christie cited this as one of her two personal favorites among her own novels (the other being Crooked House ).
If you are planning to read the book or watch the series, be aware that the and the original novel have completely different solutions—watching one will not necessarily spoil the ending of the other!
: Despite not being in the original book, Miss Marple is inserted as the lead detective.
: Rachel Argyle, a wealthy philanthropist, is bludgeoned to death in her home, Sunny Point.
