When a flash flood hits the town of Waterside, pregnant PC Jo Marshall is on the frontline of the emergency - despite saving a baby from the water, she is devastated when a man is swept away during the rescue.

Episode 1 of 6. Underwater

After the Flood - Trailer

Drama

Thriller

From the producers of Happy Valley. When an unidentified man is found dead in a lift in an underground car park. Police assume he became trapped as the waters rose, however PC Joanna Marshall becomes obsessed with discovering what really happened to him and why?

After the Flood

Series 1

A devastating flood threatens to expose secrets, fortunes and reputations.

Autoplay

Trailers

Jo reels from Tasha's revelation and is confused when she notices a discrepancy in the crime scene photos - meanwhile, her mum Molly takes charge of the clean-up across the town and is brought back into the orbit of old flame Jack Radcliffe.

Episode 2 of 6. The Arrival

A shock discovery threatens to expose Jo's investigation.

Episode 3 of 6. Connections

Jo finally confesses everything to Pat about her secret investigation, but despite her promise to stop looking into Daniel's murder, she is drawn back in when questions are raised about Chris' death.

Episode 4 of 6. In Too Deep

Molly's accident leads to a reconciliation between Jo and Pat and they agree to look into Daniel's murder together - however, when Tasha presents evidence that could finally steer them to the killer, Jo chooses to investigate this new lead without him.

Episode 5 of 6. Gathering Storm

Jo finally gets the answers she's been searching for, but the truth is more complicated than she ever imagined and she's left with an impossible dilemma.