Colin Stinton

Catherine is a woman in her late twenties who is strongly devoted to her father, Robert, a brilliant and well-known mathematician whose grip on reality is beginning to slip away. As Robert descends into madness, Catherine begins to wonder if she may have inherited her father's mental illness along with his mathematical genius.

The relationships of two couples become complicated and deceitful when the man from one couple meets the woman of the other.

For Halloween 1992, the BBC decides to broadcast an investigation into the supernatural, hosted by TV chat-show legend Michael Parkinson. Parky (assisted by Mike Smith, Sarah Greene & Craig Charles) and a camera crew attempt to discover the truth behind the most haunted house in Britain. This ground-breaking live television experiment does not go as planned, however.