An abandoned car leads Sebastian and the ICC team to Poland where technology reveals a shocking secret. The investigation uncovers a bizarre scenario in which families are pitted against each other in a fight to the death. When Eva and Tommy go undercover, their lives are in peril, and it’s up to Hickman and Louis to reach them in time.

Louis' and Rebecca's lives hang in the balance. Meanwhile, Dorn tries to take down Dimitrov.

The team hunts a sniper who is randomly killing innocent people.