Although her childhood was haunted by a famous crime, Rhinannon’s life is normal now that her celebrity has dwindled. By day her job as an editorial assistant is demeaning and unsatisfying. By evening she dutifully listens to her friend’s plans for marriage and babies whilst secretly making a list. A kill list. From the man on the Lidl checkout who always mishandles her apples, to the driver who cuts her off on her way to work, to the people who have got it coming, Rhiannon’s ready to get her revenge. Because the girl everyone overlooks might be able to get away with murder.

The night after her father's funeral, Claire meets Lucas in a bar. Lucas doesn't know it, but it's not a chance meeting. One thoughtless mistyped email has put him in the crosshairs of an extremely put-out serial killer. But before they make eye contact, before Claire lets him buy her a drink—even before she takes him home and carves him up into little pieces—something about that night is very wrong. Because someone is watching Claire. Someone who is about to discover her murderous little hobby.

Grim Wolds, England: Winifred Notty arrives at Ensor House prepared to play the perfect governess—she’ll dutifully tutor her charges, Drusilla and Andrew, tell them bedtime stories, and only joke about eating children. But long, listless days spent within the estate’s dreary confines come with an intimate knowledge of the perversions and pathetic preoccupations of the Pounds family—Mr. Pounds can’t keep his eyes off Winifred’s chest, and Mrs. Pounds takes a sickly pleasure in punishing Winifred for her husband’s wandering gaze.

Nobody knows what happened to Sarah Cook. The beautiful blonde teenager disappeared 15 years ago, the same night her parents were brutally murdered in their suburban Ohio home. Her boyfriend, Brad Stockton - black and from the wrong side of the tracks - was convicted of the murders and is now on death row. Though he's maintained his innocence all along, the clock is running out. His execution is only weeks away when his devoted sister insists she spied Sarah at an area gas station.

Scarlett Clark is an exceptional English professor. But she’s even better at getting away with murder. Every year, Dr. Clark searches for the worst man at Gorman University - professor, student, or otherwise - and plots his well-deserved demise. Thanks to her meticulous planning, she’s avoided drawing attention to herself…but as she’s preparing for her biggest kill yet, the school starts probing into the growing body count on campus.