"Ruth Galloway and DCI Nelson are haunted by a ghost from their past, just as their future lands on shaky ground. DCI Nelson has been receiving threatening letters. They are anonymous, yet reminiscent of ones he has received in the past, from the person who drew him into a case that's haunted him for years. At the same time, Ruth receives a letter purporting to be from that very same person -- her former mentor, and the reason she first started working...

"It's 1959 and a new killer haunts the streets of London, having baffled Scotland Yard. The newspapers call him The Florist because of the rose he brands on his victims. The police have turned yet again to the Inquirers at Miss Brickett's for assistance, and second-year Marion Lane is assigned the case. But she's already dealing with a mystery of her own, having received an unsigned letter warning her that one of the three new recruits should not...

Three years have passed since Major Sir Robert Kurland and Lucy Harrington, the rector's daughter, became husband and wife. Having established a measure of contentment among the gentry of Kurland St. Mary, the couple lately have found an unsettling distance grown between them. But when the small-village peace is disrupted by the arrival of an anonymous letter accusing Lucy of witchcraft, her as yet unfulfilled desire to be a mother becomes the least...

"After nearly two decades, Noel Post, an editor for a major New York publishing house, returns to her childhood home in Salt Lake City to see her estranged, dying father. What she believed would be a brief visit turns into something more as she inherits the bookstore her father fought to keep alive. Reeling from loneliness, a recent divorce, and unanticipated upheavals in her world, Noel begins receiving letters from an anonymous source, each one...

Musical remake of 'Shop around the corner' involving two feuding store employees who are unknowingly engaged in a romantic relationship as anonymous pen pals.

Confirmed bachelor Don has just been dumped by his latest lover, Sherry. Don begins to resign himself to being alone and left to his own devices. However, he becomes compelled to reflect on his past when he receives a mysterious pink letter by mail. It is from an anonymous former lover and informs him that he has a 19-year-old son who may be looking for his father. Don is urged to investigate the contents of the letter by his closest friend and neighbor,...

An engaged Hollywood agent receives a mysterious letter for an anonymous sexual encounter and becomes ensnared in a sinister world of lying, infidelity, and digital data.

"A series of anonymous accusations sent via post have set friend against friend and neighbor against neighbor. In her new position as magistrate, Edwina has already had to settle one dispute that led to fisticuffs. Even Beryl has received a poison pen letter, and while she finds its message preposterous and laughable, others are taking the missives to heart. Their headstrong housekeeper Beddoes is ready to resign and one villager has attempted to...

Fifteen years after the arrival of an anonymous postcard with the names of her maternal great-grandparents and their children -- all killed at Auschwitz. Anne Berest is moved to discover who sent it and why and embarks on a journey to learn the fate of the Rabinovitch family.