Can Lady Ellen of Ashcombe Hall finally savour a relaxing break at Millars Hotel? Not quite. Her plans take an unexpected turn when a sightseeing tour of Branden Bay Castle turns deadly.

The picturesque castle in Branden Bay stands proudly above the town and beach. Lady Ellen finds herself thrust into the heart of a chilling mystery when a tragic incident unfolds, and a soul plummets from one of the castle's turrets. On a blustery day, it seems like a dreadful accident, but the police suspect foul play.

As the victim's will is unveiled, a shock revelation exposes drama, indiscretions, and disputes. Motives lay bare, and Lady Ellen is called upon to untangle the truth. Alongside her spirited companion, Lottie Penny, the charming Captain Hamilton, and her faithful Irish Setter, Prince, Ellen must unravel the sinister threads that tie the beneficiaries to the deceased's estate.

In the glamorous backdrop of the roaring 1920s, where jazz-filled evenings and clandestine secrets collide, "A Killer at the Castle" is the second riveting instalment in Kelly Mason's Lady Ellen Investigates series. If you love the glitz and glamour of the era, step back in time and immerse yourself in a twisty tale.