Determined to prove her mettle, WPC Gina Dawson's resolve is tested on her first day.

When another woman is attacked, Gina risks her career to prove Donald's innocence.

The travelling fair comes to town, and WPC Dawson searches for a runaway girl.

An undercover operation threatens to expose a secret that could ruin Inspector Briggs.

Jack has a new suspect and an attack at the cafe leaves an officer's life in danger.

A predator has been targeting contestants in a beauty contest and new WPC, Annie Taylor, is soon on his trail. Briggs and DI Sawyer are shocked when some old foes and wrong-doings come back to haunt them.

The mystery deepens as Jack gets closer to finding the other missing boy.

Max and Fenton investigate a flood of counterfeit notes, and Lenny shows his true colours.

Gina's life is put in danger when an attempt to lure the killer takes a deadly twist.

Coulson's advances on Gina take a sinister turn, and Fenton's corruption is exposed.

Annie's involvement in a murder case results in conflict with her father. Briggs finds it hard to be a good husband, while Susie continues to anger a lovesick Swift.

Tommy meets a bullied schoolboy, and Fenton enlists help from an unlikely party.

Events end up taking a sinister turn after DI Sawyer’s missing suspect makes a sudden violent reappearance. Coulson recruits Fenton to do his dirty work. Annie and Tommy try and play cupid to Susie and Swift.

Coulson decides to Briggs’ misfortune to reassert his power at the police station. DI Sawyer questions a suspect with a shocking wartime story to tell.

A tragic event leaves the the team having to decide where their loyalties lie. Time is running out for Annie and DI Sawyer as they find it hard to unlock the dark secrets of the Petra Project.