The Secret is the story of a real-life double murder. James Nesbitt plays Colin Howell, a respectabl...
The Secret is the story of a real-life double murder. James Nesbitt plays Colin Howell, a respectable dentist and pillar of the community, who became a killer in partnerhip with a Sunday school teacher, Hazel Buchanan, played by Genevieve O'Reilly.
