Julien Baptiste travels to Hungary to help the British ambassador, Emma Chambers, find her missing family. When a body is found, the pressure is on to save Emma’s two sons.

Julien and Zsofia track down the tattooed man but he gives little away. Things escalate when the police receive a hostage video, and Emma takes drastic action for her family.

As Julien and Zsofia investigate Far Right politician Kamilla Agoston, Emma finds a lead on Alex’s computer that takes her and Julien to a shocking and bloody discovery.