Alex McPherson returns to the small town in Pennsylvania where she spent her summers as a girl to record the next episode of her true crime podcast, about the disappearance of a childhood friend 20 years prior. However, after teaming up with the local newspaper editor, who reluctantly agrees to help her retrace the girl's last steps, Alex not only uncovers the shocking truth behind the girl's disappearance, but also a decades-old murder and its cover-up.