In between scouring estate sales for her new interior design business, Cottages by the Sea, Meg Barrett visits the swanky East Hampton home of her old college roommate, Jillian Spenser. But instead of seeing how the other half lives, she learns how the other half dies. Jillian's mother, known as the Queen Mother of the Hamptons, has been murdered. Someone has staged a coup.

To keep her mind off the legal battle over the oceanfront cottage she's trying to buy, Meg Barrett agrees to help her friend inventory and clear out furniture from the massive Montauk estate of wealthy art broker Harrison Falks. But the job takes a terrifying turn when Meg discovers a skeleton in a hidden room in one of the estate's many bungalows. The remains turn out to be those of Harrison's son, who went missing nearly 20 years ago - along with one of his father's Warhol paintings.

The first Sag Harbor Antiquarian Book and Ephemera Fair is right around the corner, and interior designer Meg Barrett has her hands full decorating rooms at the Bibliophile Bed & Breakfast for wealthy rare book collector Franklin Hollingsworth. Rumor has it Hollingsworth is in possession of an unpublished manuscript written by F. Scott Fitzgerald. When the Fitzgerald manuscript's authenticator is found dead at the bottom of a cliff, Meg suspects a killer is on the loose.

When decorator Meg Barrett travels to a remote mansion to help select period pieces for a new 1930s-style television mystery series, she's chilled to learn that the manor was once a mental asylum and the site of a mysterious decades-old murder. And when a fierce blizzard knocks out the power and strands Meg and her cohorts in the home's rickety old elevator, they emerge to discover that another person has been murdered—in the same macabre manner as the original victim.

Montauk's first annual Designer Showhouse was meant to be a collaborative event, so decorator Meg Barrett can only despair at the group of cutthroat designers scheming to sabotage each other on the project, not to mention the oddball collection of ghost hunters slinking around to investigate a supposedly haunted cottage. But when one of the owners of the showhouse is found murdered on the rocky beach below, Meg suddenly finds herself clashing with local police because of evidence that points to her as a prime suspect.

Tensions are high on the eve of the grand opening of Prive, an exclusive gourmet dining club that interior designer Meg Barrett played a large part in decorating. With just the well-heeled owners, the kitchen staff, and Meg gathered for the pre-opening feast, it seems that everyone in the small group is airing their grievances, with their most venomous attacks directed at the notorious sous chef.

As shooting concludes on the season finale of the TV mystery Mr. & Mrs. Winslow, interior decorator and set designer Meg Barrett can feel the hostility in the air. The show's new director had already alienated the entire cast and crew, and now Meg's boyfriend, Patrick, was ready to throttle him for taking liberties with the script. Meg thought the director was a very lucky man to have gotten out of there in one piece—until a few nights later when she stumbles over his dead body.

Never in her wildest dreams did interior decorator Meg Barrett think she'd get the chance to team up with the iconic Jessica Sterling. A do-it-yourself dynamo, Jessica's Dahlia Lane Farms brand has swept the country, and Meg is thrilled to discover she's just as charming and gracious in person as she is on TV. But tragedy strikes when her beloved brother is killed in a hit-and-run, and when the evidence points to foul play, Meg vows to help Jessica by investigating. It doesn't take long for Meg to figure out that not everyone working with Jessica has her best interests at heart.