When Christy Blake goes to an estate auction, she plans to pick up a few things for her secondhand shop, Memories and Dreams. She gets more than she bargains for, though, when her ghost cat, Midnight, brings one of the late owners to her for help. Summer and her father were murdered, and Christy must solve the case to free the victim so she can Cross Over. But by doing so, will Christy lose Midnight forever?