Homecoming by Kate Morton

Homecoming is a 2023 novel by Kate Morton, a multi-timeline mystery set in Australia that begins with a 1959 family tragedy in the Adelaide Hills and is investigated decades later by a journalist, Jess, who discovers a personal connection to the unsolved case. The story weaves together secrets, lies, and family history across generations, focusing on the Turner family and a mysterious event where a mother and three children are found dead, and a baby is missing. It's a slow-burn, atmospheric novel praised for its intricate plot and writing.