Trama

The true-crime story of a respectable dentist and pillar of the community who became a killer in partnership with a Sunday school teacher.

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 partnership with a Sunday school teacher, Hazel Buchanan, played by Genevieve OReilly.