As the war between John and Fat George escalates, the introduction of cocaine begins to imbalance the delicate ecosystem of Kings Cross.

As the world of Kings Cross changes, John must adapt or die – but Nasa would rather bring everything down than face being put out to pasture. John learns that to rise in the world of Kings Cross, sometimes you have to leave others behind.

In the wake of Nasa Kalouri's murder, a fracture grows between the two Ibrahim brothers as one spirals into ritual cocaine abuse and the other has their alliances tested.

As Sam finds fraternity in a new chosen family, John is left to repel the advancing threat of Bui Doi as the Vietnamese gang look to take over Kings Cross.

John is in a race against time to save Sam from a contract killer, but the Royal Commission into police corruption leaves John with few allies to trust.

As all the major players of Kings Cross are brought to the witness stand, loyalties are questioned, allies are betrayed, and the Royal Commission changes Kings Cross forever.

As the fallout from the Royal Commission and Ezra and Tien's partnership brings a new world order to Kings Cross, the Ibrahim brothers have two starkly different views on where they fit in the jungle.

As John aspires to escape Kings Cross for good, the bombing of Ezra's Bentley and his subsequent revenge might make war unavoidable.