The Moonstone together with The Woman in White, is considered to be the best novel of Wilkie Collins 19th-century British author. The Moonstone created many ground rules of detective novel, Collins also reflected his altitude to the Victorian society and draw the exact psychological portraits of its typical members. Young woman whose name is Rachel inherits a large Indian diamond on her birthday. Of course the diamond is very expensive, but it also is of great religious significance, and some people are ready to dedicate their lives to have it back. But the night after birthday the diamond have been stolen from Rachel's bedroom. Who did it? A servant, Hindu priests, or Rachel herself? And what secrets this diamond continues to keep?