A grand party in a snowbound mansion, a dead body beside the Christmas tree, and a master detective on the hunt for a killer. England, 1926. Lord Edgington and his loyal assistant embark on a Christmas holiday only for a blizzard to block their path. Forced to seek shelter, they find a remote manor where a group of famous actors are celebrating the season. But the luxurious house at Weston Moor is not the sanctuary it...