When Gemma finds a rare and potentially valuable magazine hidden in the bookshop, she and her friend Jayne set off to find the owner, only to stumble upon a dead body. The highly perceptive Gemma is the police's first suspect, so she puts her consummate powers of deduction to work to clear her name, investigating a handsome rare books expert, the dead woman's suspiciously unmoved son, and a whole family of greedy characters desperate to cash in on their inheritance.

June 1933. Independent, young Kitty Underhay has been left in charge of her family’s hotel, The Dolphin, on the tranquil English coast. But when several rooms are broken into and searched, including Kitty’s own, she quickly realizes that something out of the ordinary is afoot at the hotel. Soon, rumors are flying in the cozy town that someone is on the hunt for a stolen ruby. A ruby that Kitty’s mother may well have possessed when she herself went missing during the Great War.

1929: Miss Clara Vale is a woman ahead of her time. Rather than attending Oxford to bag an eligible Duke (as her mother, Lady Vale, so desperately hoped), she threw herself into a degree in chemistry, with aspirations to become a scientist in her own right. But the world isn't ready for Clara. Unable to land a job in science because she's a woman, she is stuck behind the desk at a dingy London library. Until her estranged Uncle dies suddenly, leaving her his private detective agency, and laboratory, in his will.

Indigo Tea Shop owner Theodosia Browning is lured into attending the Heritage Society's "Pirates and Plunder" soiree. But it's an antique diamond skull ring that gets plundered by someone who murders a history intern in the process. Theodosia knows she'll have to whet her investigative skills to find the killer among a raft of suspects.

Seasoned obituary writer Eve Mallow has a new assignment: to tell the life story of famed musician Bernard Fitzpatrick. A chance to spend a few days in the sweet little village of Saxford St. Peter, walking the country lanes with her beloved dachshund, Gus, and meeting new people sounds like a dream. But it turns out that Bernard’s life was much less interesting than his death. On the day she arrives, news breaks that the charismatic cellist was the victim of a grisly murder. Could this quaint English village be hiding a dark secret?