Eccentric, reclusive Walter Rennert lies cold at the bottom of his stairs. At first glance the scene looks straightforward: a once-respected psychology professor done in by booze and a bad heart. But his daughter, Tatiana, insists that her father has been murdered, and she persuades Clay Edison to take a closer look at the grim facts of Rennert's life. What emerges is a history of scandal and violence and an experiment gone horribly wrong that ended in the brutal murder of a coed.

FBI Agent Nell Flynn hasn't been home in 10 years. Nell and her father, Homicide Detective Martin Flynn, have never had much of a relationship. When Martin Flynn dies in a motorcycle accident, Nell returns to the house she grew up in so that she can spread her father's ashes and close his estate. At the behest of her father's partner, Detective Lee Davis, Nell becomes involved in an investigation into the murders of two young women in Suffolk County. The further Nell digs, the more likely it seems to her that her father should be the prime suspect.

A week's holiday in a luxurious hotel is just what Scotland Yard's Superintendent Duncan Kincaid needs. But his vacation ends dramatically with the discovery of a dead body in the whirlpool bath. Despite a suspicious lack of cooperation from the local constabulary, Kincaid's keen sense of duty won't allow him to ignore the heinous crime, impelling him to send for his enthusiastic young assistant, Sergeant Gemma James. But the stakes are raised significantly when a second murder occurs....

Detective P.T. Marsh was a rising star on the police force of Mason Falls, Georgia - until his wife and young son died in an accident. Since that night, he's lost the ability to see the line between smart moves and disastrous decisions. Such as when he agrees to help out a woman by confronting her abusive boyfriend. When the next morning he gets called to the scene of his newest murder case, he is stunned to arrive at the house of the very man he beat up the night before. He could swear the guy was alive when he left, but can he be sure?

Socially awkward Chloe Cooper divides her time between dog walking, bartending, caring for her ailing mother, and at a safe distance, watching people and inventing the stories of their lives. Like Chloe’s new neighbors: glamorous influencer Jemma Spengler and Jemma’s husband, Adam, a renowned surgeon. They’re attractive, wealthy, and in a house of open windows, so exposed.