The Chimes of Midnight

The Chimes of Midnight is a Big Finish Productions audio drama based on the long-running British science fiction television series "Doctor Who". This audio play was broadcast on digital radio station BBC 7 in four weekly parts, starting on 17 December 2005, and has been rebroadcast on the same channel beginning on 17 December 2006, and again on 26 and 27 September 2007.
Plot.
An Edwardian home, Christmas 1906. Or is it? The Doctor and Charley are caught in a mysterious house outside of time and when the grandfather clock strikes, someone will get murdered. Can the Doctor unmask the murderer? Or is something far more sinister at work?