Major Crime and NSO unite once again as a terror attack looms as a real possibility. Detective Zane Malik uses everything in his power to discover the conspirators and in doing so finally finds out why Agent Angleton was killed.
Mere Hahunga has problems with her youngest son, Sam, and enlists the help of Koa. Sam is going off the rails and Mere pleads with Koa to help save him. However, stopping a youth on a mission of self-destruction is a very difficult task.
Two youths are shot dead while fishing. Malik knows first hand what Yelena Moyan, the boys' mother, is going through. Yelena cannot understand who would do this. Her boys had no enemies
Superintendant Patricia Wright becomes personally involved in a case when a young woman is found raped and murdered after being last seen getting into a taxi late at night.
What has the armed robbery of 36 million and the subsequent escalating violence got to do with a drug rip and massacre in Kandahar, Afghanistan? Malik is hoping that visiting Afghani cop, Khan, will provide the answers.
Inspector Wright and the Major Crime team unite to track down the men behind the attempt on her brother's life, at the same time trying to prevent Wright's father from seeking vigilante justice.
When a car bomb goes off in a Sydney suburb it is attributed to the work of Islamic extremists and a joint task force is formed to deal with it. Malik has his doubts and becomes obsessed with discovering the truth.