And then there were none: "Ten..." Ten strangers are lured to an isolated island mansion off the Devon coast by a mysterious "U. N. Owen." "Nine..." At dinner a recorded message accuses each of them in turn of having a guilty secret, and by the end of the night one of the guests is dead. "Eight..." Stranded by a violent storm, and haunted by a nursery rhyme counting down one by one... as one by one... they begin to die. "Seven..." Which among them...