When a wealthy teenager is taken hostage, the ICC team has to move fast to track the kidnappers. Meanwhile, Anne-Marie finds a connection to a similar case in Florence as the team races to rescue the boy. Elsewhere, Dorn and Louis soon discover an unexpected link to their arch enemy Alexander Dimitrov, which puts their lives in danger.

While in Florence, Eva finds something amiss when she discovers another similar kidnapping. While confronting her former partner in the Italian Police, a secret is discovered that may put Sebastian's career at risk. Back in Cannes, a search of the financial records from the missing boy's father shows that not everything is as it seems.