The Secret - Season 1

First aired: 4/29/2016 4 episodes

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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Episodes

Episode 1

1. Episode 1

Aired: 4/29/2016

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.

Episode 2

2. Episode 2

Aired: 5/6/2016

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?

Episode 3

3. Episode 3

Aired: 5/13/2016

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?

Episode 4

4. Episode 4

Aired: 5/20/2016

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?