Every season of The Secret ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of The Secret!

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 1

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 2

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 3

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?

Episode 4

The true story of a Sunday school teacher and respectable dentist and pillar of the community, who formed a murderous partnership.

The Best Seasons of The Secret

The Best Seasons of The Secret

Season 1