1890. American heiress, Cora Beaumont is celebrating her engagement to Terrance Tristan, the second son of a duke. Their union will solidify Cora's place in British society and put her in a rare position of power, but as they embark on the Lady Air’s maiden voyage to England, Cora soon finds that not everyone in society is accepting of her recent engagement, and tensions fly as high as the airship. When a body is discovered the first night on the ship, with a calling card for Cora on the victim, she’s determined to find the killer hidden among the passengers before they come for her next.

London, 1941: Miss Jane Treen is at her desk, strong black coffee in hand and fluffy ginger cat by her side, when her top-secret government work is interrupted by an urgent call to Devon. A woman has been found dead in a lake in a place where she shouldn’t have been. Jane needs to gather the clues and find the killer before someone else from the agency gets hurt… Shy and handsome code-breaker Arthur Cilento is bewildered by the arrival of the efficient Miss Treen and her cat Marmaduke.

During 1958, with a predominantly male workforce, societal norms dictate women should be compliant, fashionable housewives. To Ariadne Winter, the sole tradition she aims to embrace is that of being fashionable. Amidst the ambiance of Ivy Tree Inn, where she's been dispatched as a writer for Ladies' Lifestyle magazine, her focus wavers as she grapples with an interview assignment concerning a Hollywood starlet on the cusp of royal matrimony—an event hailed as the "Wedding of the Century."

Pearl Fitzgerald arrives in Limehouse - London's very ­first Chinatown - to settle her late father's affairs and claim her inheritance. But when she unwittingly ­finds herself at the scene of a murder, her plans are thrown off course. Even more so by the alluring Mei, sister to the dead man. Utterly infatuated, Pearl promises Mei that she will bring her brother's killer to justice, and she dives into the East End's criminal underworld.

Lord Nicholas Monterris is trapped. The only heir to a declining dukedom, Nic is destined for a marriage of convenience. What he doesn’t expect is for his bride to be Lady Leaf Serral, daughter of his father’s hated rival. Tradition dictates the families are confined together while the marriage contract is crafted, which should be the worst part. Until Nic learns the Serrals’ head negotiator is master vowsmith Dashiell sa Vare—beautiful, perfect Dashiell sa Vare—an old flame he has neither forgiven nor forgotten. Nic’s only defense is false smiles and too much wine.