The first one featured is a hostage crisis in Syria that culminated in seven beheadings by a British executioner, later dubbed Jihadi John, while the second looks at the far-right attack in Christchurch, New Zealand, in which 51 people were shot dead in the city's mosques.
Episode two follows the Foley and Mueller families as events unfold. Nearly five years on from Jim Foley's brutal execution at the hands of Jihadi John, Diane Foley is fighting for justice, whilst the Muellers continue their search for answers about their missing daughter Kayla.
In March 2019, the live-streaming of an attack in Christchurch, New Zealand, heralds a new era of terrorism and confirms the far right as the world’s fastest-growing terror threat.