Four years ago, Brynn left Saint Ambrose School following the shocking murder of her favourite teacher. The case was never solved, but she's sure that the three kids who found Mr. Larkin's body know more than they're telling, especially her ex-best friend Tripp Talbot. He's definitely hiding something. When Brynn gets an internship working on a popular true-crime show, she decides to investigate what really happened that day in the woods. But the further she dives into the past, the more secrets she finds.