Retired teachers Pat, Liz and Thelma are happiest whiling away their hours over coffee, cake and chat at the Thirsk Garden Centre café. But when their good friend tells them about unsettling experience she had in a sinister-feeling charity shop, they simply can’t resist investigating. Because the entire shop has vanished into thin air. Before long, our trio of unlikely sleuths find themselves embroiled in a race against the clock to get to the bottom of this mystery – but who has a secret to hide and how far will they go to keep it concealed?

Every Thursday, three retired school teachers have their ‘coffee o’clock’ sessions at the Thirsk Garden Centre café. But one fateful week, as they are catching up with a slice of cake, they bump into their ex-colleague, Topsy. By the next Thursday, Topsy’s dead. The last thing Liz, Thelma and Pat imagined was that they would become involved in a murder. But they know there’s more to Topsy’s death than meets the eye—and it’s down to them to prove it.

Steve Wheeler is enjoying retired life. He still does the odd bit of investigation work, but he prefers his familiar routines: the pub quiz, his favorite bench, his cat waiting for him at home. His days of adventure are over. Adrenaline is daughter-in-law Amy’s job now. Amy Wheeler thinks adrenaline is good for the soul. Working in private security, every day is dangerous. She’s currently on a remote island protecting mega-bestselling author Rosie D’Antonio, until a dead body and a bag of money mean trouble in paradise. So she sends an SOS to the only person she trusts . . .

Richard is a middle-aged Englishman who runs a B&B in the fictional Val de Follet in the Loire Valley. Nothing ever happens to Richard, and really that’s the way he likes it. One day, however, one of his older guests disappears, leaving behind a bloody handprint on the wallpaper. Another guest, the exotic Valérie, persuades a reluctant Richard to join her in investigating the disappearance. Richard remains a dazed passenger in the case until things become really serious and someone murders Ava Gardner, one of his beloved hen...and you don’t mess with a fellow’s hens!

Judith Potts is 77 years old and blissfully happy. She lives on her own in a faded mansion just outside Marlow, there’s no man in her life to tell her what to do or how much whisky to drink, and to keep herself busy she sets crosswords for The Times newspaper. One evening, while out swimming in the Thames, Judith witnesses a brutal murder. The local police don’t believe her story, so she decides to investigate for herself and is soon joined in her quest by Suzie, a salt-of-the-earth dog-walker, and Becks, the prim and proper wife of the local vicar.