As Matt Goldman's Carolina Moonset opens, Chicago native Joey Green has arrived in Beaufort, South Carolina to visit his parents. It quickly becomes clear that the trip is one of obligation, designed to give his mother a much-needed break; she's become the full-time caregiver for his father, Marshall, who's developed Lewy Body Dementia, a condition similar to Alzheimer's disease (see Beyond the Book). Although Marshall's short-term memory is completely shot, his recollections of the past have become increasingly sharp, and as he reminisces Joey learns of a pair of unsolved murders that occurred during his father's senior year of high school. His curiosity is piqued, and when one of Beaufort's most prominent citizens is killed, Joey comes to believe the crime is related to the incidents from his father's memories. If that's the case, Marshall may hold the key to solving all of the murders...