A crossword is found on the murdered owner of a burglarized art gallery. Tess, a Sentinel crossword editor, finds clues in crosswords and eventually, detective Logan accepts her clues and help.

Lawyer-turned-florist Abby Knight solves a variety of murders.

A retired Boston PD detective and the acting medical examiner at Martha's Vineyard work together to solve the murder of a mysterious young man.

A woman who is wrongfully accused of murdering her husband sets out to find the real killer before she is taken into custody.

Literature professor Harriet 'Harry' Wild is adjusting to retirement when she's mugged. While recovering at the home of her son, a detective in the Dublin police, Harry gleans a clue for his current case. But when she's rebuffed, Harry decides to solve the crime herself. Recruiting an unlikely young sidekick, she finds a new path as a private investigator.

An antiques dealer helps the police investigate a series of burglaries and a murder after she realizes they may have a connection to the items she is selling.

In the picturesque English region of Wildemarsh, Detective Matilda Stone investigates crimes with the aid or, often, meddling of her three mystery-writing aunts, who raised her from childhood. Together, they look into a murder at a health spa, a killing in the contemporary art world, and the theft of an Edgar Allen Poe manuscript. Matilda has decidedly less success with her personal affairs, continuing to pine for Dr. Daniel Lynch even as she begins...

Eve is on a revenge mission while Villanelle has embraced a brand-new way of life in an attempt to prove she's not a 'monster', all while Carolyn goes to extraordinary lengths to continue to chase down the Twelve.