Air date: 2016-04-29

Runtime: 51 min

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.

Air date: 2016-05-06

Runtime: 51 min

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?

Air date: 2016-05-13

Runtime: 51 min

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?

Air date: 2016-05-20

Runtime: 51 min

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?