After solving the greatest unsolved mystery of the century, Stevie Bell goes undercover as a camp counselor to investigate the strange things going on at Camp Wonder Falls--the site of the infamous "Box in the Woods" murders.

When fledgling singer Roxy Raines vanishes from the tiny resort of Sandown, the island's locals refuse to talk about it to any outsiders, dismissing Roxy as a teenage runaway. Thirty years later, seventeen-year-old Mona Perry is convinced there's something more sinister at play. Armed with a suitcase and a microphone - to record her findings for her podcast's listeners - the troubled teen is on a deadline: one hot summer is all she has to get to the...