Meet Conrad. You’ve never met a cat like him before. Neither has Lulu Lewis when he walks into her life one summer’s day. Mourning the recent death of her husband, the former police detective had expected a gentle retirement, quietly enjoying life on her new canal boat, The Lark, and visiting her mother-in-law Emily in a nearby care home. But when Emily dies suddenly in suspicious circumstances, Lulu senses foul play and resolves to find out what really happened. And a remarkable cat named Conrad will be with her every step of the way.

Sarah Grayson is the happy proprietor of Second Chance, a charming shop in the oceanfront town of North Harbor, Maine. At the shop she sells used items that she has lovingly refurbished and repurposed. But her favorite pet project so far has been adopting a stray cat she names Elvis. The big black cat with a scar across his nose turned up at a local bar when the band was playing the King of Rock and Roll's music and hopped in Sarah's truck.

London, 1941: Miss Jane Treen is at her desk, strong black coffee in hand and fluffy ginger cat by her side, when her top-secret government work is interrupted by an urgent call to Devon. A woman has been found dead in a lake in a place where she shouldn’t have been. Jane needs to gather the clues and find the killer before someone else from the agency gets hurt… Shy and handsome code-breaker Arthur Cilento is bewildered by the arrival of the efficient Miss Treen and her cat Marmaduke.

My life was going just fine by most standards. I ran a successful business in a tight-knit magical community, and lived just blocks from a beautiful lake and series of hiking trails. Then Selene showed up. According to some magical code I inherit my aunt's ancient familiar; a grumpy ten-pound cat with a broken filter. She fancies herself something of a saber-toothed tiger, and claims to have wrestled the thread of her ninth life from the hands of the Fates themselves—although, I'm pretty sure that last part isn't true. Almost positive.

First the large, powerful feline discovers that, through some strange, inexplicable phenomenon, he now has the ability to understand human language. Then he discovers he can speak it as well! It’s a nightmare for a cat who’d prefer to sleep the day away carefree, but Joe can handle it. That is, until he has the misfortune to witness a murder in the alley behind Jolly’s Deli - and worse, to be seen witnessing it. With all of his nine lives suddenly at risk, Joe’s got no choice but to get to the bottom of the heinous crime.