Deadwater Fell

9.35pm RTÉ One

The tense mystery drama reaches its penultimate episode, as the conclusion of the case looks to be set in stone thanks to new evidence.

However, a shocking revelation turns everything upside down, as those closest to the tragedy are the ones who feel the most impact.

Meanwhile, at work-appointed counselling, Steve confronts ghosts from the past – in particular a previous conversation with Kate.

David Tennant, Cush Jumbo, Matthew Mcnulty and Anna Madeley lead the sensational cast.