The Moonstone (2016)

A fresh adaptation of English literature's first great detective novel. When Franklin Blake returns to England, he is forced to face the ghosts he fled a year ago when the Moonstone, a priceless Indian diamond, was stolen. Rachel Verinder, Franklin's beautiful young cousin, inherited the stone from her uncle on her 18th birthday. It was always said that the stone carried a curse, and the morning after her birthday party, it was missing. In the aftermath of the theft, Rachel cut off all ties with Franklin - the man she had loved. A year later and Franklin is determined to heal the rift between them. But Rachel has one condition - she won't see him until he can tell her exactly what happened to the diamond that night. Only then can Franklin win back the love of his life.