When Caroline, Sara, Vanessa and John decide to take a holiday in the Bernese Oberland, little do they realize that their decicion will set in motion a series of breathtaking adventures centered around the theft of a priceless necklace – the Phillimore Diamonds! Their lively escapades in the picturesque Swiss setting will delight, for Jane Shaw has drawn her characters with such understanding, they will endear themselves to the heart of every reader.