Murder is not her department. It’s not like it used to be. Modern-day grim reapers wear business casual, not black cloaks, and they don’t carry scythes, they work for S. C. Y. T. H. E. (Secure Collection, Yielding, and Transportation of Human Essences), where the Department of Natural Causes is the least exciting gig. And that’s how Kathy Valence likes it: boring and predictable. She has enough stress in her personal life; she’s mid-divorce, pregnant, and terrified she doesn’t have what it takes to be a good mom. Then, she goes to pick up a new client and finds his soul is missing.

Librarian Sherry Pinkwhistle keeps finding bodies—and solving murders. But she's concerned by just how many killers she's had to track down in her quaint village. None of her neighbors seem surprised by the rising body count...but Sherry is becoming convinced that whatever has been causing these deaths is unnatural. When someone close to Sherry ends up dead, and her cat, Lord Thomas Crowell, becomes possessed by what seems to be an ancient demon, Sherry begins to think she’s going to need to become an exorcist as well as an amateur sleuth.

After more than a year of laying low, Billie, Helen, Mary Alice, and Natalie are called back into action. They have enjoyed their time off, but the lack of excitement is starting to chafe: a professional killer can only take so many watercolor classes and yoga sessions without itching to strangle someone...literally. When they receive a call from the head of the elite assassin organization known as the Museum, they are ready tackle the greatest challenge of their careers.

Outside Los Angeles, a driver pulls up to find a young woman sitting on a large black box. She offers him $200,000 cash to transport her and that box across the country, to Washington, DC. But there are rules: He cannot look inside the box. He cannot ask questions. He cannot tell anyone. They must leave immediately. He must leave all trackable devices behind. As these eccentric misfits hit the road, rumors spread on social media that the box is part of a carefully orchestrated terror attack intended to plunge the USA into civil war.

After years of conscripted service to a corrupt king, Evelyn Rosewood seizes a chance to earn her freedom. With little more than an enchanted satchel and her feathered familiar, she sets out on a quest to dispel a mysterious blight that has shrouded a once-thriving harborside town in despair.