Left with an estate on the brink of bankruptcy after their father's death, Lady Marigold Fairfax and her brother open a private investigation firm marketed to the elite . . . to spy on the elite. Dubbed The Imposters, Ltd., their anonymous group soon becomes the go-to for the crème of society when they want answers delivered surreptitiously. But the many secrets Marigold learns about her peers pale in comparison to her shock when she and her brother are hired to investigate her best friend's father as a potential traitor.

1906: Lady Elizabeth “Libby” Sinclair, with her love of microscopes and nature, isn’t favored in society. She flees to the beautiful Isles of Scilly for the summer and stumbles onto the dangerous secrets left behind by her holiday cottage’s former occupant, also named Elizabeth, who mysteriously vanished. Oliver Tremayne - gentleman and clergyman - is determined to discover what happened to his sister, with the help of the girl now living in what should have been Beth’s summer cottage...especially when he realizes it’s the curious young lady he met briefly two years ago.

Detective James Holton has been honorably discharged from the Army Criminal Investigation Division due to wounds sustained when an IED blew up near him. Now with the Lake City Police Department, he's rooming with his good buddy and partner, Cole, while he figures out his family dynamics. Physician Assistant Lainie Jackson is eighteen months out from an attempted murder perpetrated by her ex, which ended when she managed to grab the weapon and shoot him. When he appears to have survived and is back to finish the job he started, Lainie insists it's not possible.

Sabina Mancari never questioned her life as the daughter of Chicago's leading mob boss until bullets tear apart her world and the man she thought she loved turns out to be an undercover Prohibition agent. Ambushes, bribes, murder, prostitution—all her life, her father sheltered her from his crimes, but now she can no longer turn away from the truth. Maybe Lorenzo, the fiance who barely paid her any attention in the last two years, has the right idea by planning to escape their world. But can she truly turn her back on her family?

As the eldest son of a Levite and a Philistine, Avidan is torn between his duty to his family legacy and the desire for something more. When Ammonites attack the city of Yavash-Gilead, he takes the opportunity to fight with his cousins for the newly crowned King Saul. But when one of the cousins goes missing during the battle, Avidan stays behind to search for him in hopes that he's still alive.