On 1 October 2005, three young men wearing backpacks walked into restaurants on the Indonesian island of Bali. Moments later, 20 innocent people were dead, more than 100 were injured, and all that was left of the bombers were their heads and feet.

Joe Frost survived the attack. Three people at his table did not.

20 years later, Joe went looking for answers.

Featuring interviews with survivors, experts in terrorism, the AFP's lead investigator, former Prime Minister Tony Abbott, and a member of terror network Jemaah Islamiyah, this is the definitive account of the 'other' Bali Bombing.