After her husband dies, Lydia Krause sells her company and moves to an upscale retirement community on Long Island to start a new life. At her first Twin Lakes event, she meets the community’s financial advisor, whom she recognizes as the convicted embezzler who drove her sister to suicide. After exchanging heated words with the man's wife, Lydia flees the scene. When the woman is found dead the following morning, Detective Sol Molina considers Lydia Suspect Number One.
Lydia undertakes an investigation to clear her name. More Twin Lake residents are murdered, and she’s determine to find the killer. At the same time, she must deal with issues concerning her two daughters. Her younger daughter surprises her with news that she’s engaged and planning to move to England. Her married older daughter appears to be having an affair with an old boyfriend, the very person who might be the Twin Lakes killer. Romance is in the air as Lydia and Detective Molina spar then join forces to stop the murderer before Lydia becomes Victim Number Three.
When three newbie agents at the Austin’s FBI cold-case bureau resent having to work alongside a psychic consultant, Abby Cooper finds herself in hot water after they contact super-popular podcaster Mike Toscano—a former agent and huge skeptic of Abby’s abilities.
To prove that she’s the real deal, Abby will have to solve Toscano’s oldest—and coldest—case, and she’ll have to do it on air with millions of Toscano’s fans critiquing her every move. To make matters worse, the D.C. brass is threatening to shut down the Austin offices if Abby doesn’t bring home a win.
But helping to solve the unsolvable is what Abby does best, and she’ll be bringing her A-game to Toscano’s podcast. The only trouble is the killer could be listening…
Big and Little Hebert might be criminals, but they prefer no competition in their territory, especially someone brazen enough to kill a man at the Christmas gala. When they hire Fortune to investigate the man’s death, she gets her Christmas wish and Swamp Team 3 sets out to solve their final case of the year.