A father seeks to understand why his son is accused of terrorism, as they journey to repair their relationship after breaking each other's hearts. Zacharia Abdurahman was first detained in 2014 for trying to board a plane to join ISIS in Syria. Shortly after, he was arrested in an FBI anti-terrorism sting operation. His father, Yusuf, has only one question: Why would Zacharia give up life in America for a foreign terrorist organisation?