Claire is new to the fold as the lead Detective Sergeant in charge at the Criminal Assets Bureau (CAB) and faces a sudden challenge.

DS Claire Wallace and CI Christian De Jong are shocked to discover who was behind the terrorist attacks, but as the body count grows, will they be able to prove it?

Bibi Brannigan's life hangs in the balance when a hitman arrives in Ireland. A PR disaster threatens Frances Swann's plans, forcing her to take drastic action.

In the aftermath of a chilling attack in Ireland, Claire heads to Antwerp to make contact with a key witness. When Christian hits a dead end in his investigation, help comes from an unexpected source.

As Claire and Christian close in on hard evidence connecting Trestford to the bombings, Frances Swann executes a callous plan to force Bibi to Antwerp.

In this gripping series finale, Claire and her CAB team are in a race against time to finally unmask those behind the terrorist bombings before the Antwerp port deal is signed. But their breakthrough comes at a very heavy price.