With three children and another on the way, Janine Lewis lands a promotion to detective chief inspector and her first big case.

Janine is pressured by her boss to save resources, focus her investigation to one of the three suspects, and bring the case to an end.

After witnessing a hit-and-run that leaves a schoolgirl with shocking injuries, and Janine is asked to look into a woman's strangulation.

Janine and Richard look into the disappearance of two men, and discover evidence that suggests foul play at a crematorium.

When a well-respected mullah is killed during an arson attack, it is initially believed that the One Britain party is to blame. However, further investigation shows that the suspect may be from the Muslim community.

Pete pressures Janine for a divorce while she works a case where the only witness to a murder is an autistic 12-year-old.