Time is a killer

"In the summer of 2016, Clotilde is spending her vacation in Corsica with her husband Franck and her teenage daughter Valentine. It is the first time she has been back to the island since the car accident in which her parents and her brother were killed decades earlier. She was in the car too, but miraculously escaped with her life ... When a mysterious letter signed "Palma"--Clotilde's mother--arrives, the truth about her family, her parents' death, and her childhood is called into question"--Amazon.com.