Promoting her latest books brings best-selling mystery writer Jessica Fletcher to New York for Christmas. Her schedule includes book signings, chat-show appearances, department store shopping...and murder. But it all begins with a sidewalk Santa staring at Jessica with fear and recognition.

Beatrice Fletcher is obsessed with unsolved murders in her small town of Cabot Cove, Maine like her great-aunt Jessica, the famous mystery writer. But when her best friend Jackson goes missing, this time the mystery is personal. Then Jackson fails to show up for a late night meet-up, and instead, Bea stumbles upon three students from the elite Broadmoor Academy: overly-friendly and slightly vicious Leisl, her aloof twin brother, Leif, and Carlos, who knows more about, well, everything than he's letting on.

Holly Miller's life has gone to the dogs. She has no job, her boyfriend's former flame is sniffing around, and a scruffy but lovable Jack Russell terrier is scattering crumbs all over her borrowed car. Just when she thought things couldn't get worse, a troubling phone call about her grandmother sends her rushing home to the family inn on Wagtail Mountain.

When a failed entrepreneur is temporarily left in charge of his aunt's huge gothic home, he knows he must be able to make a profit from it somehow. Murder, he decides, is the only way to do it. For Madingley Grange is the perfect venue for a 1930s murder-mystery weekend, and Simon Hannaford – with the reluctant help of his long-suffering sister – soon hatches a plan for money-spinning mayhem. From the conservatory to the claret cellar, the clues are carefully sprinkled. But when the guests arrive, it is obvious that the game won't be going as planned.

Bookseller Annie Murray is thrilled when the mystery-themed book festival she sets up to revive the dwindling fortunes of her workplace and sanctuary seems poised for success. But events take a shocking turn when a body is discovered hidden behind the shelves, and it’s revealed that the victim is Annie's old college acquaintance.