Meanwhile, in Antwerp, Inspector Christian De Jong faces internal conflict after discovering a colleague beat a confession out of a suspect.

Emer links these diamonds to recent bombings in Belgium. She warns Fionn that his involvement with dangerous figures has put his life at risk, famously telling him he "laid down with dogs and got up with more than [he] could handle".

The series explores the corrosive effects of greed, the intersection of white-collar crime and international terrorism, and the technicalities of following the money trail.

Directed by Thaddeus O'Sullivan and written by Morna Regan, the episode is praised for its "old-school espionage" feel, including tailing cars and rescuing burned documents for evidence. Where to Watch

Fionn is accompanied by a shrewd solicitor, Mark O'Halloran, nicknamed "The Dry Cleaner" for his ability to scrub away the legal dirt of high-profile clients.

The episode features a high-stakes raid on the Brannigan family during a First Holy Communion celebration, signaling the collapsing "house of cards" for the Irish dynasty. Key Themes and Production