Series 4

1. What Will Survive: Part 1

2015-03-04 · 45m

A young Estonian woman is found dead on a piece of waste-ground, suspected of being buried alive. As the team piece together her movements, they uncover a world of prostitution and drugs hidden behind a respectable veneer.

2. What Will Survive: Part 2

2015-03-11 · 45m

The team are dismayed to discover that an arson attack at the Osgood's house has injured Michael and killed his autistic son Robbie.

3. Buried: Part 1

2015-03-18 · 45m

A husband and daughter struggle to come to terms with their grief when the body of wife and mother Anaan Kamel is found washed up by an underground river.

4. Buried: Part 2

2015-03-25 · 45m

Geoff has become a marked man and Banks decides to put both him and his daughter Evie under watch at an anonymous hotel whilst he increases the search for Mullen.

5. Ghosts: Part 1

2015-04-01 · 45m

When the body of an undergraduate is found dumped in a ravine, the investigation into his stabbing reveals he was far from being a model student.

6. Ghosts: Part 2

2015-04-08 · 45m

Helen works hard to win back Alan's approval as they try to find the killer and prevent Josh's father from seeking a revenge of his own.