The Alden children discover an old painting in the attic of a beautiful young woman wearing a dazzling necklace. When they ask Grandfather about it, they learn that the woman was their grandmother and the necklace that she is wearing was a wedding gift that mysteriously disappeared on their first anniversary. The children want to find the necklace, but will they be able to track it down after so many years?
The Boxcar Children are exploring Grandfather's attic when they find a painting of their grandmother wearing a beautiful one-of-a-kind necklace. Grandfather tells them that the necklace was stolen on their first anniversary years before. Imagine the children's surprise when they see a newspaper photo of a woman wearing a similar necklace. Could it have resurfaced after all this time?