From two-time Mary Higgins Clark Award–winning author Carol Goodman comes a new mystery, about a group of friends isolated on a remote island with a history of foul play.""Carol Goodman is a brilliant writer, and she shines here."" -Gilly Macmillan, New York Times bestselling author Lucy Harper still has traumatic memories and lingering health problems from the 2020 pandemic. So, when a new virus surfaces years later, she and her husband, Reed, seek refuge on his family's private island off the coast of Maine. Ostensibly safely sequestered with their five closest friends and family, Lucy should feel at ease. So why does she feel the weight of the island's dark history pushing down on the group?As Lucy uncovers Reed's family secrets and the island's history as a quarantine hospital for typhus patients, she becomes obsessed with the past and feels her own grip on reality slipping.