After Russian biochemist's murder during defection attempt, agents protect his daughter who must deliver sensitive biotoxin research to trusted colleague.
When an American student is found dead at a prestigious U.K. university, the Fly Team investigates an infamous secret society. Smitty's personal history with the school comes to a head when she's confronted with the same old-world elitism.
The Fly Team pursues a couple who fled to Istanbul with her son after a murder in Baltimore. Meanwhile, Agent Quinn joins Vo in Budapest for a case while secretly investigating a team member.
When an American businessman is gunned down in Bratislava, the Fly Team must work with an unscrupulous local detective while safeguarding the sole witness; Quinn begins to feel pressure from her brother to deliver information on Mitchell.
Team investigates Venice murder of American woman, faces resistance due to suspect's powerful Italian family connections. Quinn feels pressure to provide Mitchell intelligence.
FBI's Fly Team pursues a wanted televangelist in Gibraltar seeking asylum. After facing political barriers, they must act outside protocol when he targets a follower's daughter.
When a U.S. business executive in Prague faces cryptocurrency extortion and his family's abduction, FBI Agent Driscoll seeks assistance from her former flame Mitchell and the Fly Team.
A psychologist with national security info vanishes hiking in Swiss Alps. Fly Team and Agent Booth search for him while Mitchell gets disturbing news about his birth father.
The Fly Team investigates an attack on US soldiers at a NATO-Georgia facility while Mitchell pushes Vo and Raines to pursue a supervisor role in another European FBI division.
When a suspected American arms dealer pops up in Vienna with stolen weapons, the team sends Mitchell and Smitty undercover to try to infiltrate his operation.
After an ambush disrupts a crucial prisoner exchange in Belgrade, FBI agents race against time to track down an escaped detainee before their delicate operation falls apart.
When an American student and sex worker is murdered in Budapest, similarities to a recent case in Japan lead the team to partner with detectives from Tokyo.
