Special Agent Scott Forrester and his Budapest-based FBI Fly Team head to Croatia to capture an American fugitive.

The International Fly Team is called to investigate a kidnapping, after a young mother flees to Hungary with her son in the aftermath of an unfavorable custody battle in the U.S.

The Fly Team investigates the hijacking of millions worth of cryptocurrency, en route to a safety vault in Switzerland that leaves an American transporter dead and another on the run.

The team investigates an American seeking sanctuary at Madrid's U.S. Embassy while insisting he's innocent of his Spanish boyfriend's murder.

The team investigates the poisoning death of an American journalist following his attempt to meet with an anonymous source in Poland.

The team investigates the sudden disappearance of a U.S. Intelligence negotiator after her Paris apartment is found covered in her blood.

When the American founder of an illegal adults-only site is killed in Prague, the team hunts for his co-founder who is still on the run.

The team is brought in to find the perpetrators of a bombing at a festival in Budapest where Americans were killed.

The team jets to Bulgaria after terrorists take over a concert hall filled with multinational student performers and their families and hold them hostage.

Kellett and the Fly Team are pulled into an investigation in Northern Ireland, when one of her informants who's linked to a robbery and murder asks for help clearing his name.

When an NYPD officer is detained in Transnistria for aggravated assault, the Fly Team investigates his claims of having infiltrated a sex trafficking ring.

The Fly Team pursues a notorious American tech tycoon involved in a murder in Frankfurt, while clashing with the local protesters he's incited with conspiracy theories on social media.

The Fly Team searches for an American couple who fled to Albania to avoid sentencing for bilking millions in COVID relief funds from the U.S. Government.

When the U.S. Attorney general is in Hungary for an important meeting, the possibility of a security breach has the Fly Team on high alert to keep her safe.

Raines goes rogue to search for his sister who went missing in Kosovo, jeopardizing both his job and his safety.

Agent Vo is found at the scene where a Hungarian gambling regulator was murdered, landing the Fly Team in hot water with local authorities.

Following the murder of an American on his wine estate in France, the Fly Team investigates a local protest group with a history of violence against foreigners.

The Fly Team heads to Vienna to investigate an attack by gunmen on an American-owned river cruise ship.

The Fly Team hunts down a sniper after an American scientist is killed in an attack targeting a biomedical lab in Belgium.

The Fly Team and Jaeger head to Berlin to determine if foul play caused the death of an American billionaire's 19-year-old son.

After a private jet carrying American citizens is shot down over Europe, the Fly Team looks into the man who missed the flight.