Chinese restaurants are being firebombed in the dead of night. The police arson squad is racing against the clock to stop the next attack. Along the way, there are buried weapons, secret informers, punks, ninjas, and political manoeuvres. As the rest of Australia celebrates the nation's bicentenary, a campaign of terror is getting underway in Perth. Now, in this deeply personal season of Unravel True Crime, Crispian Chan investigates what really happened after his family's restaurant went up in flames