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.
Sometimes in a detective's work, the break comes from left field. In investigating the Ice racket, the detectives find a link to the stolen arms that killed the NSO agent in a car bomb.
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.
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.
