PI Regan Reilly and her husband Jack, head of the NYPD Major Case Squad, investigate an L.A.-based business scam that extends up and down the coast of California.

Receiving a frantic call from a former neighbor from the Los Angeles neighborhood where she once worked as a private investigator, Regan traces the activities of the woman's ex-boyfriend, a con man with suspicious ties on both sides of the law.

The disappearance of another vacationer interrupts Regan Reilly's romantic Cape Cod retreat with her husband and challenges her investigative skills.

The daughter of a successful mystery writer and a P.I. with pizzazz, Regan Reilly is attending her class reunion at St. Polycarp's England, when the long-dead body of her former roommate turns up under the bushes. It's a case Regan would love to solve, but a prior commitment puts her on a transatlantic cruise. She shouldn't have fretted. The clues to the crime are following her on the Queen Guinevere. Here, on a ship awash with secret lovers, a fortune...

"When Detective Regan Reilly sets off for her tenth reunion at Quiltier College--an all-women's college in Northern Massachusetts--she is looking forward to reconnecting with old friends and reminiscing. She doesn't expect to be working. But things don't always turn out as planned. On her way to the reunion, Regan stops at her favorite diner, Dot and Don's, and discovers the owners of the restaurant bound up in the cellar, the cash register empty....