Hardened detectives DS Hutton and DC Brecknock are shocked by an extraordinarily disturbing case of attempted murder in an ordinary terraced home

Two teenage girls are arrested after a fight broke out in a nightclub. And the police also arrest a 61-year-old man who's never spent a night in the cells before.

This episode follows an investigation into suspected human trafficking. DC Tom Stean says 'Human trafficking is getting worse and worse. I think Luton is a magnet.'

This episode follows cases where alcohol and relationship tensions mix in a dangerous cocktail. Investigating Officer Lisa Hutchinson says nine out of ten cases can be of domestic violence.

Several elderly people have been sexually assaulted in a graveyard. The police have a sample of an attacker's DNA from a previous crime scene, and arrest a young man. Will his DNA match?

Cathie Layton and Brett Jones used to work together in the police, but now Brett's a legal rep, representing one of Luton's prolific burglars, with DC Layton on the other side of the table.