Hickman is implicated when a woman is found dead, with another missing. Meanwhile, Dorn discovers information about the killer of Louis and Rebecca's son.
While Hickman's life hangs in the balance, Eva and Sebastian search for Anne-Marie.
The kidnapping of a drug lord's daughter leads to the team investigating mass shooting in Slovenia and Italy.
When Carl is taken hostage while investigating a bank, the remainder of the team must figure out the motive.
Whilst in Florence, Eva discovers a similar kidnapping and the finances of the missing boy's father reveal that all may not be as it seems. Meanwhile, Sebastian's career could be at risk when a secret from his past comes to light.moreless
When the team goes after the kidnappers of a wealthy teen, Anne-Marie discovers to another case, while Louis and Dorn uncover a connection to Alexander Dimitrov.
When Sebastian links a body and abandoned car, the ICC discover a truckers' underground fight club.
While investigating a suspicious pattern of deaths across various countries, the team uncovers a previously undetected series of murders and art thefts.
Reclusive former NYPD detective, Carl Hickman, joins a team of specialists working for the International Criminal Court in the search for an international serial killer.
The search for the serial killer continues.