Meet the Bright Young Things, the rabble-rousing hedonists of the 1920s whose treasure hunts were a media obsession. One such game takes place at the 18th birthday party of Pamela Mitford, but ends in tragedy as cruel, charismatic Adrian Curtis is pushed to his death from the church neighbouring the Mitford home. The police quickly identify the killer as a maid, Dulcie. But Louisa Cannon, chaperone to the Mitford girls and a former criminal herself,...

" It's lady's maid Louisa Cannon's wedding day, but the fantasy is shattered shortly after when she is approached by a secretive man asking her to spy on Diana Mitford - who is having an affair with the infamous Oswald Mosley - and her sister Unity. Soon, as summer 1933 dawns, Louisa finds herself accompanying the Mitfords on a glitzy cruise in the Mediterranean, full of the brightest stars of society. But the waters run red when a man is found attacked....

"It's 1941, and the Mitford household is splintered by the vicissitudes of war. To bring the clan together - maybe for one last time, Deborah invites them to Chatsworth for Christmas, along with a selection of society's most impressive and glamorous guests, as well as old family friend Louisa Cannon, a private detective. One night, a psychic arrives, and to liven things up Deborah agrees she may host a s eance. But entertainment turns to dark mystery...