DI Jack Armstrong and his new partner struggle to get along in their first investigation.

Jack and Georgina investigate the murder of a student on a modern university campus.

Jack and Georgina investigate a violent robbery at a family-run jewellery store.

Georgina goes undercover on a televised cookery competition. Jack tries to impress a woman.

After the duo are temporarly demoted to Missing Persons they are drawn into a case involving secrets and sexual indiscretions at a local gym.

Jack and Georgina solve the murder of the headmaster of a primary school in record time.

A killer is suspected of selecting victims from among a supermarket's loyalty card customers, and when the gossip-hungry duo are called in to investigate, they revel in the chance to explore the scheme's database. Staring Lucy Punch and Toby Stephens

Jack and Kate are called in to investigate following the attempted murder of a high-flying banker. They investigate the unusual investigation in a private clinic where Jack becomes preoccupied with Kate’s relationship as tries to hid the fact that she has been having marriage counseling sessions.

The kidnap of a girl band member puts a spotlight on detectives Jack and Kate.