Darren's killers escape, while Christian tells Emer further bombings are expected. Billionaire Richard Melnick shows the Antwerp site for his new European headquarters to his son

Diamonds are found in Fionn Brannigan's offices and Emer links this to the bombings and warns him his life is in danger. Christian learns Hadi has been beaten by a fellow officer

Emer heads to Antwerp to help search for Fionn Brannigan, but just as the case seems to have hit a dead end, the discovery of a body and a forensics breakthrough changes everything