Grace and Sean are under serious threat, while Fogerty decides Tina is no longer useful.

Grace and Sean bring in George for questioning, leading Morgan to take drastic measures.

Grace uses her past to break through to Lindsay. Aisling’s trauma puts her in danger.

Grace races against the clock to save Lindsay. A difficult call tests Aisling’s instincts.

A car crash has traumatic consequences for Aisling, and cracks begin to show in the team.

The section collides with Belfast’s elite, while Grace meets a face from her past.

Mount Eden descends into chaos as the team investigate Lee and win hearts and minds.

Stevie and Grace reunite as Lee’s control over his family has terrible consequences.

As Lee rises to the top, Canning’s methods put Tommy in danger.

As tensions grow in Mount Eden, a response call forces Stevie to confront his past.

The team struggles to contain a loyalist feud, while Stevie breaks his promise to Grace.

A drug epidemic leads the team to the Mount Eden Estate. Grace faces a violent reality.

The team work together after the shooting, and Mo learns the truth about his father.

Mo’s side deal goes ahead, risking his relationship with his father.

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

Grace is tested by a shocking case, but it might finally bring the McIntyres to justice.

The team deal with a bad batch of drugs while the McIntyres try to cover their tracks.

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