Perez and his team are determined to track down the person who helped Michael Thompson’s killer on Shetland. But the closer the team get to the truth in both Shetland…

Perez struggles to deal with what has happened to Tosh as he continues to investigate the murders of Robbie Morton and Michael Thompson, but a shocking discovery finally leads him…

As the investigation reaches its final stages, Detective Inspector Perez and his team discover the person responsible for the deaths of Robbie Morton and Michael Thompson is closer to home…

Julien goes in pursuit of the money whilst Genevieve coerces Edward to meet Constantin. However, Edward makes a reckless move that puts the entire case in jeopardy.

The hunt is on for Edward, who has fled to England. Meanwhile, Julien and Genevieve plot an audacious move to try to turn Constantin and take down the Brigada.

As Julien and Genevieve outmanoeuvre Constantin, the Brigada make their own move and as Julien uncovers their inside source things lead to a dramatic conclusion.