Blue Lights

Police probationer Grace's resolve is tested when an investigation spirals out of control.

The team scramble to deal with a bad batch of drugs while the McIntyres try to cover their tracks. Annie receives terrifying news that has her wondering who she can trust.

A paramilitary-style assault has Grace determined to bring the McIntyres to their knees.

The police ombudsman investigates the team after a disastrous night shift.

Mo’s side deal goes ahead, risking his relationship with his father. Tommy’s firearms exam is brought forward, and Stevie tries to convince Grace to come back to work.

The team work together after the shooting. Stevie clashes with the spooks, Mo learns the truth about his father, and Grace accepts that she might break her promise to Angela.