Researchers discover film footage from World War II that turns out to be a lost documentary shot by Alfred Hitchcock and Sidney Bernstein in 1945 about German concentration camps.。In 1995, seventeen-year-old Isabel Baker was murdered. The crime shocked the small town of Ashford and devastated Isabel's Australian South Sea Islander community. The case was never solved, the killer never found. In 2020, the opening of a time capsule unearths a secret that puts cold-case detective James Cormack (Fimmel) on the trail of the killer.。