Video: The Secret - First trailer for Colin Howell and Hazel Stewart drama starring James Nesbitt
The trailer for one of the most anticipated TV dramas in recent years has been released - drumming up excitement throughout Northern Ireland.
The Secret tells the real-life story of how Coleraine Sunday school teacher Stewart and her lover Howell turned into murderers in 1991.
Dentist Howell and Hazel, who then went under her married name of Buchanan, became embroiled in an affair and plotted to kill their spouses, Lesley Howell and Trevor Buchanan.
Acclaimed Northern Ireland actor 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 (Genevieve O'Reilly).