Tinker disappears, and Lovejoy sets off to find him. He arrives in Devon, where he discovers that Tinker's real name is Archie and that he has a sister whose hotel business is threatened by a rogue property developer. Charlotte and Beth join them and they look for ways to raise money to save the hotel.
Meanwhile, Tinker has lost the key of Charlotte's safe-deposit box.
Chevenix believes he is being cheated by an architect, John Lake... and Mrs Chevenix claims that her spirit guide, an ancient Egyptian called Saphra, has warned her of an imminent death. There is a disputed will, a second unsigned will, the sound of shots behind locked doors, an apparent suicide which Poirot suspects is murder. Whatever you do, do not go out of the room during Dead Man's Mirror, or you will lose the plot!moreless