Mia and Finn are busy turning a derelict house into their dream home when Mia unexpectedly falls pregnant. But just when they think the house is ready, Mia discovers a shocking message scored into a skirting board: I WILL SAVE THEM FROM THE ATTIC. Following the clue up into the eaves, the couple make a gruesome discovery: their home was once a real-life murder house, with the evidence still concealed within the four walls.

Amanda is a hardworking single mum, completely focused on her job and her daughter, Louise. She’s been saving for years, and now, finally, she can afford to give up work and chase her dream. But then, on her commute home from London to Brighton, she meets a charming stranger - who seems to know everything about her. He delivers an ultimatum. She needs to give him the code for the safe where she keeps her savings before the train reaches Brighton - or she’ll never see Louise again.

Aaron Fortin is new in town. He drives a brand-new Acura—a gift from his parents for uprooting him in the middle of senior year. Showing up on his first day at the local public school in that nice of a car? He knows he’ll never blend in, and he doesn’t care to try. The car, the new-kid mystique, he can use all that.... Crystal Giordano carpools to the same school in her friend Trevor’s beat-up van. In the van along with Crystal and Trevor are Paul, Harmony, and Gayle. Crystal’s technically part of their misfit group, but most of the time, she feels like she’s the only one who doesn’t fit.

Imogen should be enjoying her life–she is happily married with a high-powered career that could see her rise to the very highest levels of management. But that’s never going to happen because Imogen’s boss, Michael, has discovered she has a secret, something she has hidden from everyone, even her devoted husband. If the secret is ever revealed, her life will be destroyed, which means Imogen is completely and utterly in Michael’s power, and he loves it.

Adele has had a colorful romantic past, but she's finally found her soulmate in Tom. They're engaged, and she's looking forward to a future of blissful happiness. But then she realizes her ex-boyfriends are turning up dead. At first, the deaths seem accidental, but soon a sinister pattern emerges. All of Adele’s former partners are being killed off—in the order she dated them. As the body count grows, Adele has to figure out who is doing this and why. Otherwise, it’s only a matter of time until the killer gets to Tom.