Episode 4

As events spiral out of control, Jefferson Grieff prepares to face execution – and time is also running out for Janice Fife in the cellar. An increasingly desperate Harry Watling struggles to do the right thing – but can he stay on the side of the angels and still keep his wife and son safe?

Episode 3

As Harry’s dilemma worsens, the fate of his family hangs in the balance – but he’s determined to do the right thing. Meanwhile, Beth Davenport meets one of Jefferson Grieff’s helpers in the outside world, who delivers a chilling warning. In the cellar, Janice’s desperation grows.

Episode 1

The lives of a prisoner on death row, a journalist looking for a story, a vicar in a sleepy English town and a maths tutor trapped in a cellar intertwine in a deadly way.