A year on there is a new boss and old enemies. Criminal Asset Bureau's Claire Wallace finds herself at odds with CTU's Christian De Jong when CAB is drawn back to the Antwerp investigation. A familiar face returns but can she be trusted?
When her husband, Lee, is murdered, Sarah Manning comes to realize that she knows nothing about his past. Sarah begins to question who Lee actually was and what he did in his work for a powerful global organization.
Newly formed diving team, the Deep Crime Unit, scours Japan's waterways for submerged evidence, aiding law enforcement with unsolved aquatic investigations.
A routine raid by the Irish Criminal Assets Bureau turns up diamonds that are linked to a series of bombings in Belgium. Detective Sergeant Emer Berry teams up with Belgian anti-terrorism cop Christian de Jong, to work the linked cases.
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.
While her team follows the money trail in Ireland, Emer and Christian discover the identity of the bombers. An unexpected source provides the investigation with vital information.
