It's 1914 in Vandermeer Manor, a lavish American estate, and Kate Vandermeer is about to celebrate her twelfth birthday. This birthday is a very special one because she is to be gifted with the Katherine necklace, a beautiful ruby heirloom necklace that has been handed down to each Katherine on their twelfth birthday. Plus, Kate's distant English cousin Beth is coming to visit for her birthday, and she is bringing her matching Elizabeth sapphire necklace. The girls stumble upon a mystery that someone has been hiding for years. . . can they finally unearth hidden family secrets? Recommended for ages 8 to 12 years.