S1, E1: It is 1849, and Franklin Blake comes back to England after his father's death, forced to face the ghosts of the year before. The famous Indian Moonstone was stolen on the night of Rachel Verinder's 18th birthday and Franklin seeks out the Verinder family butler, for his help in finding the jewel. If he doesn't find it, then Rachel, the love of his life, will be lost to him forever.