Nyberg has been helping child abuse investigator Sara Svenhagen chase a paedophile ring and is disturbed by what they find. Chavez takes an instant shine to Nyberg's new colleague and soon finds himself in romantic complications. Meanwhile A Unit's ongoing investigation into a car explosion in Holland has led them to the shady dealings of celebrated restaurateur David Billinger and a Dutch criminal gang. Billinger is secretly on the trail of some money stolen from his restaurant but won't tell anyone what he needs it for. The investigation into the goings-on at the restaurant has life-threatening consequences for the team, and even they are surprised at who becomes implicated as a suspect.