A chilling thriller where life hangs by a mere thread…

Camille hasn't set foot in her hometown since her friend Laura disappeared. But back on the island for her grandmother's funeral, she comes into possession of a mysterious letter that drives her to reassemble her old group for the purposes of urging them to confess what they know to the authorities. The next day, Camille is found… murdered! Who wanted to silence her? A pulse-pounding thriller with a countdown clock:
After getting their baccalaureate degree, 6 of them celebrated by the lighthouse.
Only 5 came back.
Only 4 stayed on the island.
Only 3 wanted to spill the truth.
Only 2 truly mourned their friends.
Only 1 will be left alive.