It's 1920, and Christmas is coming. Major Lennox finds a body on his doorstep - why on his doorstep? Was it to do with the Countess? Was it about the ruby necklace? Lennox goes to Melrose Court, home to his uncle, Lord Melrose, to uncover the mystery. But then, the murders begin, and it snows, and it all becomes very complicated.

A stranger enters the inner sanctum of the Ashby family posing as Patrick Ashby, the heir to the family’s sizeable fortune. The stranger, Brat Farrar, has been carefully coached on Patrick’s mannerisms, appearance and every significant detail of Patrick’s early life, up to his 13th year when he disappeared and was thought to have drowned himself.

Sussex, England, 1929. Mydworth is a sleepy English market town just 50 miles from London. But things are about to liven up there, when young and handsome Sir Harry Mortimer returns home from his diplomatic posting in Cairo, with his beautiful and unconventional American wife, Kat. No sooner have the two arrived, when a jewel robbery occurs at Harry's aunt's home - Mydworth Manor. The police are baffled and overwhelmed with the case. But Harry and Kat have an edge in the hunt for the dangerous culprit.

Marion Sharpe and her mother seem an unlikely duo to be found on the wrong side of the law. Quiet and ordinary, they have led a peaceful and unremarkable life at their country home, The Franchise. Unremarkable that is, until the police turn up with a demure young woman on their doorstep.Not only does Betty Kane accuse them of kidnap and abuse, she can back up her claim with a detailed description of the attic room in which she was kept, right down to the crack in its round window.

Isabella Waverly only means to comfort the woman felled on a London street. In her final dying moments, she thrusts a letter into Bella’s hand. It’s an offer of employment in the kitchens of Buckingham Palace, and everything the budding young chef desperately wants: an escape from the constrictions of her life as a lowly servant. In the stranger’s stead, Bella can spread her wings. Arriving as Helen Barton from Yorkshire, she pursues her passion for creating culinary delights, served to the delighted Queen Victoria herself.