Many things can trigger a memory. The sight of an old hat, the sound of a car horn, even the smell of some forgotten fragrance. But recall varies from person to person. A particular object may remind you of one thing, and someone else of another. Take the characters in our story today. For young Barton Baxter, the old camera he bought at an estate sale, brings back memories of his grandfather's attic. But for old Alicia Winslow, the same camera revives an old childhood nightmare. At first no-one knew why. It all begins at an auction...