As the police investigation into the crash refocuses itself as a terrorism investigation, Liv discovers a revealing DNA test. With Simon abducted, Kevin travels back to Iran in an attempt to free Leyla's second son from Majid...

Wanted by the police in connection with a terrorist attack, Simon is now being held captive by Majid's rival. Liv and Haje dig further into Kevin's involvement and Leyla, still locked up in the abandoned holiday cottage, manages to make a hole in the wall big enough for Omid to escape...

With the police investigation into the crash concluding that it was a technical failure, Simon is now in the hands of Majid's rivals, who wish to exchange him with Majid for weapons...

Now in the hands of Majid, Simon is forced to reveal Leyla's whereabouts. Unbeknown to either men, Leyla has been freed from the cottage by Haje. When Majid's henchmen search the cottage, they have a surprise encounter.

Simon performs an emergency operation on his young son and when Liv travels to Iran she is caught by Majid and imprisoned with Simon. Kevin and the Iranian police are hot on their heels but will they get to them on time?