The life of the successful Liv collapses when her husband Simon dies in a plane crash. Then doubts arise: Simon has never checked in. Where is he and why has no one heard from him?

Liv searches for Simon and the mysterious woman and child from the security footage. She gets help from Simon's brother Erik, who is neglecting his job.

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...

As Liv and Haje get closer, Simon is smuggled into Iran and Kevin is caught and tortured by Majid. When Simon is about to be handed over to Leyla's husband, an unknown gunman shoots both of Majid's henchmen dead...

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...

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?