Set in the 1950's, Noemi is sent to her newly married cousin's home in the countryside after receiving some curious letters. Things get even stranger once she arrives at the large, remote house where things aren't what they seem.
Anna takes a nanny job in the Hamptons for the summer before college, but what she expects to be a peaceful summer in a beach town immediately takes a different turn. She is constantly told by the locals that she looks like Zoe Spanos, the missing girl from the town, and she begins to have memories that make her think she was involved in Zoe's disappearance.
After a freak car accident revealed that her husband is a serial killer, Gina Royal has done everything she can to keep herself and her kids safe from the harassment of Internet trolls that thinks that she was an accomplice. She's uprooted her kids many times at a seconds notice when threats get too close, but now, as Gwen Proctor, she is ready to settle down near the peaceful Stillhouse Lake, until bodies begin showing up in the lake.
After inheriting a house that was left to her by her birth parents, Libby begins to find out more about her mysterious past. As more people related to that past begin showing up, she begins to learn all of the dark secrets that led to the discovery of her as a baby in a house with three dead bodies.
After solving a cold case in her small town for a school project, Pip has sworn off detective work. Since then, she has created a successful podcast detailing the events of that investigation. However, her fame has made her friend approach her and ask for her help to find his missing brother. Once again, Pip becomes involves in the investigation and digs out even more secrets from her small town.
Jacob enjoys his quiet life running a coffee shop, renting out his cottage, and going for hikes with his dog. This all changes when someone who looks like his dead ex-girlfriend shows up to rent his cottage. Strange things start happening, leading him to believe that he isn't the only one who knows how his ex-girlfriend died.
Everyone in Fairview knows how beloved high school senior Andie Bell was killed by Sal Singh, who then killed himself. Pippa doesn't think the evidence adds up, so she decides to investigate the five year old case for her senior project. However, things take a turn when it's obvious someone doesn't want her digging into the facts.