England, 1381: Delia’s idyllic life as daughter of an earl is shattered when her father dies and his wife accuses Delia’s seven brothers of treason and murder. The youngest is only ten years old, but this doesn’t stop the guards from hauling them off to the Tower of London. There they await a grim fate, as child-king Richard II is executing anyone who poses a threat to his throne. Delia is their only hope for pardon and freedom.

Rose has been appointed as a healer’s apprentice at Hagenheim Castle, a rare opportunity for a woodcutter’s daughter like her. While she often feels uneasy at the sight of blood, Rose is determined to prove herself capable. Failure will mean returning home to marry the aging bachelor her mother has chosen for her. When Lord Hamlin, the future duke, is injured, it is Rose who must tend to him. As she works to heal his wound, she begins to understand emotions she’s never felt before and wonders if he feels the same.

When their father's death leaves them impoverished, Sarah Summers and her genteel sisters fear they will be forced to sell the house and separate to earn livelihoods as governesses or companions. Determined to stay together, Sarah convinces them to open their seaside home to guests to make ends meet and provide for their ailing mother. Instead of the elderly invalids they expect to receive, however, they find themselves hosting eligible gentlemen. Sarah is soon torn between a growing attraction to a mysterious Scottish widower and duty to her family.

In England's Regency era, manners and elegance reign in public life - but behind closed doors treason and deception thrive. Nicholas Langdon is no stranger to reserved civility or bloody barbarity. After suffering a battlefield injury, the wealthy, well-connected British officer returns home to heal - and to fulfill a dying soldier's last wish by delivering his coded diary.

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.