Where to watch in United States
Checked October 11, 2026
Available in 10 other countries 10 with streaming
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Availability history in United States
Last checked
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Overview
The true story of a Sunday school teacher and respectable dentist and pillar of the community, who formed a murderous partnership.
Cast
James NesbittColin Howell
Genevieve O'ReillyHazel Buchanan
Laura PyperLesley Howell
Glen WallaceTrevor Buchanan
Stuart GrahamDave Stewart
Liam McMahonD.S. Ferris
James GreeneGranda Harry Clarke
B.J. HoggJim Buchanan
Jason WatkinsPastor HansfordSeasons and episodes
1 season4 episodes
Season 1
A dentist and a Sunday school teacher begin a torrid extramarital affair that leads them to make a murderous pact. Based on a true story.
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Episode 1
When Colin Howell and Hazel Buchanan meet at their local Baptist Church in rural Northern Ireland, they start an affair which will have cataclysmic consequences.
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Episode 2
Colin and Hazel carry out his plan to kill Lesley and Trevor, and stage it to look like a suicide pact. But will the community and the police believe their story?
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Episode 3
As the inquest approaches, Colin and Hazel have to hold their nerve. But even if they do get away with it, can their relationship survive?
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Episode 4
The past catches up with Colin as he is finally driven to confess his crime. But when Hazel pleads not guilty, will Colin take all the blame?
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