The International Fly Team is called on when a young mother flees to Hungary with her son, after losing partial custody of her son in the U.S. However, after the boy is kidnapped from his mother in broad daylight in Budapest, the team questions which parent is the danger in the child’s life

The Fly Team and new Europol liaison Megan “Smitty” Garretson investigate when an American police detective on the Federal task force is murdered in Paris while looking into a U.S. company suspected of selling illegal weapons in France and the Middle East.

The team races through the streets of Budapest to put a halt to a major art heist about to be perpetrated by an American; Forrester grows angry as Dandridge watches every move the team makes.

The Fly Team lends a helping hand to the Hungarian National Police when one of their police officers is accused of murdering a couple in Budapest; Kellett questions her relationship with Erdős.